Refine proto usage

Add test & support utls
Feat: Add mTLS
2026-09-16 14:30:28 +00:00 · 2026-06-21 22:20:27 +08:00 · 2026-06-17 23:08:41 +08:00 · 2026-06-17 22:43:13 +08:00 · 2026-06-17 21:53:44 +08:00 · 2026-06-14 03:24:08 +08:00
275 changed files with 7669 additions and 17109 deletions
@@ -1 +0,0 @@
-powershell.exe -ExecutionPolicy Bypass -File ".\xray_no_window.ps1"
@@ -1 +0,0 @@
-Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden
@@ -1 +0,0 @@
-CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0
@@ -37,7 +37,6 @@ RUN echo '{}' >/tmp/usr/local/etc/xray/08_fakedns.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/09_metrics.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/10_observatory.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/11_geodata.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/12_env.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/99_version.json

 # Create log files
@@ -37,7 +37,6 @@ RUN echo '{}' >/tmp/usr/local/etc/xray/08_fakedns.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/09_metrics.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/10_observatory.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/11_geodata.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/12_env.json
 RUN echo '{}' >/tmp/usr/local/etc/xray/99_version.json

 # Create log files
@@ -64,16 +64,8 @@ jobs:
          echo "Latest: '$LATEST'."
          echo "LATEST=$LATEST" >>${GITHUB_ENV}

-          NEWEST=false
-          if [[ "${{ github.event_name }}" == "release" ]]; then
-            NEWEST=true
-          fi
-
-          echo "Newest: '$NEWEST'."
-          echo "NEWEST=$NEWEST" >>${GITHUB_ENV}
-
      - name: Checkout code
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4
@@ -82,7 +74,7 @@ jobs:
        uses: docker/setup-buildx-action@v4

      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v4.6.0
+        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
@@ -132,13 +124,6 @@ jobs:
            ${{ env.FULL_IMAGE_NAME }}:${{ env.IMAGE_TAG }}
          fi

-          if [[ "${{ env.NEWEST }}" == "true" ]]; then
-            echo "Adding 'pre-release' tag to manifest: '${{ env.FULL_IMAGE_NAME }}:pre-release'."
-            docker buildx imagetools create \
-            --tag ${{ env.FULL_IMAGE_NAME }}:pre-release \
-            ${{ env.FULL_IMAGE_NAME }}:${{ env.IMAGE_TAG }}
-          fi
-
      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:${{ env.IMAGE_TAG }}
@@ -146,7 +131,3 @@ jobs:
          if [[ "${{ env.LATEST }}" == "true" ]]; then
            docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:latest
          fi
-
-          if [[ "${{ env.NEWEST }}" == "true" ]]; then
-            docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:pre-release
-          fi
@@ -14,13 +14,13 @@ jobs:
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    steps:
      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-geodat-

      - name: Restore Wintun Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-wintun-
@@ -83,7 +83,7 @@ jobs:
      CGO_ENABLED: 0
    steps:
      - name: Checkout codebase
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6

      - name: Show workflow information
        run: |
@@ -92,7 +92,7 @@ jobs:
          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV

      - name: Set up Go
-        uses: actions/setup-go@v7
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
@@ -119,13 +119,13 @@ jobs:
          # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main

      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-geodat-

      - name: Restore Wintun Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-wintun-
@@ -134,17 +134,15 @@ jobs:
        run: |
          mv -f resources/geo* build_assets/
          if [[ ${GOOS} == 'windows' ]]; then
-            cp .github/build/windows/* build_assets/
-          fi
-          if [[ ${GOOS} == 'windows' ]]; then
-            echo 'Adding Wintun into packages'
+            echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
+            echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
            if [[ ${GOARCH} == 'amd64' ]]; then
              mv resources/wintun/bin/amd64/wintun.dll build_assets/
            fi
            if [[ ${GOARCH} == '386' ]]; then
              mv resources/wintun/bin/x86/wintun.dll build_assets/
            fi
-            mv resources/wintun/LICENSE.txt build_assets/LICENSE-Wintun
+            mv resources/wintun/LICENSE.txt build_assets/LICENSE-wintun.txt
          fi

      - name: Copy README.md & LICENSE
@@ -14,13 +14,13 @@ jobs:
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    steps:
      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-geodat-

      - name: Restore Wintun Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-wintun-
@@ -170,7 +170,7 @@ jobs:
      CGO_ENABLED: 0
    steps:
      - name: Checkout codebase
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6

      - name: Set up NDK
        if: matrix.goos == 'android'
@@ -193,7 +193,7 @@ jobs:
          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV

      - name: Set up Go
-        uses: actions/setup-go@v7
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
@@ -225,14 +225,14 @@ jobs:
          fi

      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-geodat-

      - name: Restore Wintun Cache
        if: matrix.goos == 'windows'
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-wintun-
@@ -241,10 +241,8 @@ jobs:
        run: |
          mv -f resources/geo* build_assets/
          if [[ ${GOOS} == 'windows' ]]; then
-            cp .github/build/windows/* build_assets/
-          fi
-          if [[ ${GOOS} == 'windows' ]]; then
-            echo 'Adding Wintun into packages'
+            echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
+            echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
            if [[ ${GOARCH} == 'amd64' ]]; then
              mv resources/wintun/bin/amd64/wintun.dll build_assets/
            fi
@@ -254,7 +252,7 @@ jobs:
            if [[ ${GOARCH} == 'arm64' ]]; then
              mv resources/wintun/bin/arm64/wintun.dll build_assets/
            fi
-            mv resources/wintun/LICENSE.txt build_assets/LICENSE-Wintun
+            mv resources/wintun/LICENSE.txt build_assets/LICENSE-wintun.txt
          fi

      - name: Copy README.md & LICENSE
@@ -26,7 +26,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-geodat-
@@ -59,7 +59,7 @@ jobs:
            done

      - name: Save Geodat Cache
-        uses: actions/cache/save@v6
+        uses: actions/cache/save@v5
        if: ${{ steps.update.outputs.unhit }}
        with:
          path: resources
@@ -68,12 +68,9 @@ jobs:
  wintun:
    if: github.event.schedule == '30 22 * * *' || github.event_name == 'push' || github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
-    env:
-      ASSETVER: 0.14.1
-      ASSETHASH: 07c256185d6ee3652e09fa55c0b673e2624b565e02c4b9091c79ca7d2f24ef51
    steps:
      - name: Restore Wintun Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-wintun-
@@ -99,6 +96,7 @@ jobs:
              echo -e "Checking if wintun.dll for ${ARCHITECTURE} exists..."
              if [ -s "./resources/wintun/bin/${ARCHITECTURE}/wintun.dll" ]; then
                  echo -e "wintun.dll for ${ARCHITECTURE} exists"
+                  continue
              else
                  echo -e "wintun.dll for ${ARCHITECTURE} is missing"
                  missing=true
@@ -115,21 +113,16 @@ jobs:
            fi
            if [[ "$missing" == true ]]; then
              FILENAME=wintun.zip
-              DOWNLOAD_FILE=wintun-${ASSETVER}.zip
+              DOWNLOAD_FILE=wintun-0.14.1.zip
              echo -e "Downloading https://www.wintun.net/builds/${DOWNLOAD_FILE}..."
              curl -L "https://www.wintun.net/builds/${DOWNLOAD_FILE}" -o "${FILENAME}"
-              if [[ "$(sha256sum "./${FILENAME}" | awk -F ' ' '{print $1}')" == "${ASSETHASH}" ]]; then
-                echo -e "Unpacking wintun..."
-                unzip -u ${FILENAME} -d resources/
-                echo "unhit=true" >> $GITHUB_OUTPUT
-              else
-                echo -e "Digest of ${FILENAME} mismatch."
-                exit 1
-              fi
+              echo -e "Unpacking wintun..."
+              unzip -u ${FILENAME} -d resources/
+              echo "unhit=true" >> $GITHUB_OUTPUT
            fi

      - name: Save Wintun Cache
-        uses: actions/cache/save@v6
+        uses: actions/cache/save@v5
        if: ${{ steps.update.outputs.unhit }}
        with:
          path: resources
@@ -11,7 +11,7 @@ jobs:
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    steps:
      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-geodat-
@@ -40,7 +40,7 @@ jobs:
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    steps:
      - name: Checkout codebase
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
      - name: Check Proto Version Header
        run: |
          head -n 4 core/config.pb.go > ref.txt
@@ -59,15 +59,17 @@ jobs:
      contents: read
    steps:
      - name: Checkout codebase
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
      - name: Set up Go
-        uses: actions/setup-go@v7
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
          cache: false
      - name: Check Format
-        run: go run ./infra/vformat/main.go -mode check -pwd ./
+        run: |
+          go install -v mvdan.cc/gofumpt@latest
+          go run ./infra/vformat/main.go -mode check -pwd ./

  test:
    needs: check-assets
@@ -81,14 +83,14 @@ jobs:
        os: [windows-latest, ubuntu-latest, macos-latest]
    steps:
      - name: Checkout codebase
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
      - name: Set up Go
-        uses: actions/setup-go@v7
+        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          check-latest: true
      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v6
+        uses: actions/cache/restore@v5
        with:
          path: resources
          key: xray-geodat-
@@ -73,7 +73,6 @@
  - [Xray_bash_onekey](https://github.com/hello-yunshu/Xray_bash_onekey), [XTool](https://github.com/LordPenguin666/XTool), [VPainLess](https://github.com/vpainless/vpainless)
  - [v2ray-agent](https://github.com/mack-a/v2ray-agent), [Xray_onekey](https://github.com/wulabing/Xray_onekey), [ProxySU](https://github.com/proxysu/ProxySU)
 - Magisk
-  - [Magic_V2Ray](https://github.com/vincentng295/Magic_V2Ray)
  - [Xray_For_Magisk](https://github.com/E7KMbb/Xray_For_Magisk)
 - Homebrew
  - `brew install xray`
@@ -146,8 +145,6 @@
  - [v2rayN](https://github.com/2dust/v2rayN)
  - [GenyConnect](https://github.com/genyleap/GenyConnect)
  - [OneXray](https://github.com/OneXray/OneXray)
- HarmonyOS
-  - [Hey](https://github.com/popsiclelmlm/Hey)

 ## Others that support VLESS, XTLS, REALITY, XUDP, PLUX...

@@ -187,27 +184,6 @@
 - [Xray-core v1.0.0](https://github.com/XTLS/Xray-core/releases/tag/v1.0.0) was forked from [v2fly-core 9a03cc5](https://github.com/v2fly/v2ray-core/commit/9a03cc5c98d04cc28320fcee26dbc236b3291256), and we have made & accumulated a huge number of enhancements over time, check [the release notes for each version](https://github.com/XTLS/Xray-core/releases).
 - For third-party projects used in [Xray-core](https://github.com/XTLS/Xray-core), check your local or [the latest go.mod](https://github.com/XTLS/Xray-core/blob/main/go.mod).

-### Bundled Third-Party Components Redistribution
-
-**Certain optional features dynamically load third-party components. These optional components are separate works distributed under their own licenses, and are bundled into the ZIP package for ease of use. Users may replace these components under the licenses from these components.**
-
-These components include:
-
-#### Wintun
-
-This distribution contains unmodified official precompiled and pre-signed Wintun binaries.
-
- Project: Wintun
- Copyright: Copyright (C) 2018-2021 WireGuard LLC. All Rights Reserved.
- Redistribution License: Prebuilt Binaries License (PBL) bundled with official precompiled and pre-signed binaries from wintun.net
- Component(s): wintun.dll
- Source: https://www.wintun.net/
- Included in:
-  - Windows x86 (windows-32, win7-32)
-  - Windows x86-64 (windows-64, win7-64)
-  - Windows AArch64 (windows-arm64)
- Notes: Wintun is an optional runtime-loaded component only used for TUN inbound functionality on supported Windows platforms.
-
 ## One-line Compilation

 ### Windows (PowerShell)
@@ -162,7 +162,7 @@ func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *tran
 		p := d.policy.ForLevel(user.Level)
 		if p.Stats.UserUplink {
 			name := "user>>>" + user.Email + ">>>traffic>>>uplink"
-			if c, _ := d.stats.GetOrRegisterCounter(name); c != nil {
+			if c, _ := stats.GetOrRegisterCounter(d.stats, name); c != nil {
 				inboundLink.Writer = &SizeStatWriter{
 					Counter: c,
 					Writer:  inboundLink.Writer,
@@ -171,7 +171,7 @@ func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *tran
 		}
 		if p.Stats.UserDownlink {
 			name := "user>>>" + user.Email + ">>>traffic>>>downlink"
-			if c, _ := d.stats.GetOrRegisterCounter(name); c != nil {
+			if c, _ := stats.GetOrRegisterCounter(d.stats, name); c != nil {
 				outboundLink.Writer = &SizeStatWriter{
 					Counter: c,
 					Writer:  outboundLink.Writer,
@@ -200,13 +200,13 @@ func WrapLink(ctx context.Context, policyManager policy.Manager, statsManager st
 		p := policyManager.ForLevel(user.Level)
 		if p.Stats.UserUplink {
 			name := "user>>>" + user.Email + ">>>traffic>>>uplink"
-			if c, _ := statsManager.GetOrRegisterCounter(name); c != nil {
+			if c, _ := stats.GetOrRegisterCounter(statsManager, name); c != nil {
 				link.Reader.(*buf.TimeoutWrapperReader).Counter = c
 			}
 		}
 		if p.Stats.UserDownlink {
 			name := "user>>>" + user.Email + ">>>traffic>>>downlink"
-			if c, _ := statsManager.GetOrRegisterCounter(name); c != nil {
+			if c, _ := stats.GetOrRegisterCounter(statsManager, name); c != nil {
 				link.Writer = &SizeStatWriter{
 					Counter: c,
 					Writer:  link.Writer,
@@ -223,7 +223,7 @@ func WrapLink(ctx context.Context, policyManager policy.Manager, statsManager st

 func trackOnlineIP(ctx context.Context, sm stats.Manager, email, ip string) {
 	name := "user>>>" + email + ">>>online"
-	if om, _ := sm.GetOrRegisterOnlineMap(name); om != nil {
+	if om, _ := stats.GetOrRegisterOnlineMap(sm, name); om != nil {
 		om.AddIP(ip)
 		context.AfterFunc(ctx, func() { om.RemoveIP(ip) })
 	}
@@ -198,14 +198,9 @@ func parseResponse(payload []byte) (*IPRecord, error) {
 	ipRecord := &IPRecord{
 		ReqID:     h.ID,
 		RCode:     h.RCode,
+		Expire:    now.Add(time.Second * dns_feature.DefaultTTL),
 		RawHeader: &h,
 	}
-	defer func() {
-		// set to default TTL if no valid TTL is found
-		if ipRecord.Expire.IsZero() {
-			ipRecord.Expire = now.Add(time.Second * dns_feature.DefaultTTL)
-		}
-	}()

 L:
 	for {
@@ -222,7 +217,7 @@ L:
 			ttl = 1
 		}
 		expire := now.Add(time.Duration(ttl) * time.Second)
-		if ipRecord.Expire.IsZero() || ipRecord.Expire.After(expire) {
+		if ipRecord.Expire.After(expire) {
 			ipRecord.Expire = expire
 		}

@@ -2,7 +2,6 @@ package geodata

 import (
 	"context"
-	"crypto/tls"
 	go_errors "errors"
 	"io"
 	"net/http"
@@ -10,7 +9,6 @@ import (
 	"path/filepath"
 	"time"

-	utls "github.com/refraction-networking/utls"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/platform/filesystem"
@@ -18,7 +16,6 @@ import (
 	"github.com/xtls/xray-core/common/utils"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/tagged"
-	"golang.org/x/net/http2"
 )

 const idleTimeout = 30 * time.Second
@@ -29,9 +26,8 @@ type stage struct {
 }

 type downloader struct {
-	ctx         context.Context
-	httpClient  *http.Client
-	httpsClient *http.Client
+	ctx    context.Context
+	client *http.Client
 }

 type idleConn struct {
@@ -57,84 +53,52 @@ func (c *idleConn) Write(b []byte) (int, error) {

 func newDownloader(ctx context.Context, dispatcher routing.Dispatcher, outbound string) *downloader {
 	return &downloader{
-		ctx:         ctx,
-		httpClient:  newClient(ctx, dispatcher, outbound, false),
-		httpsClient: newClient(ctx, dispatcher, outbound, true),
+		ctx:    ctx,
+		client: newClient(ctx, dispatcher, outbound),
 	}
 }

-func newClient(baseCtx context.Context, dispatcher routing.Dispatcher, outbound string, isHTTPS bool) *http.Client {
-	dial := func(ctx context.Context, network, address string) (net.Conn, error) {
-		var conn net.Conn
-		err := task.Run(ctx, func() error {
-			if tagged.Dialer == nil {
-				return errors.New("tagged dialer is not initialized")
-			}
-			dest, err := net.ParseDestination(network + ":" + address)
-			if err != nil {
-				return errors.New("cannot understand address").Base(err)
-			}
-			c, err := tagged.Dialer(baseCtx, dispatcher, dest, outbound)
-			if err != nil {
-				return errors.New("cannot dial remote address ", dest).Base(err)
-			}
-			conn = c
-			return nil
-		})
-		if err != nil {
-			return nil, errors.New("cannot finish connection").Base(err)
-		}
-		return &idleConn{
-			Conn: conn,
-		}, nil
-	}
-	if isHTTPS {
-		return &http.Client{
-			Transport: &http2.Transport{
-				DialTLSContext: func(ctx context.Context, network string, address string, cfg *tls.Config) (net.Conn, error) {
-					conn, err := dial(ctx, network, address)
+func newClient(baseCtx context.Context, dispatcher routing.Dispatcher, outbound string) *http.Client {
+	return &http.Client{
+		Transport: &http.Transport{
+			Proxy:             nil,
+			DisableKeepAlives: true,
+			DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
+				var conn net.Conn
+				err := task.Run(ctx, func() error {
+					if tagged.Dialer == nil {
+						return errors.New("tagged dialer is not initialized")
+					}
+					dest, err := net.ParseDestination(network + ":" + address)
 					if err != nil {
-						return nil, err
+						return errors.New("cannot understand address").Base(err)
 					}
-					host, _, _ := net.SplitHostPort(address)
-					tlsConn := utls.UClient(conn, &utls.Config{ServerName: host}, utls.HelloChrome_Auto)
-					handshakeCtx, cancel := context.WithTimeout(ctx, idleTimeout)
-					defer cancel()
-					if err := tlsConn.HandshakeContext(handshakeCtx); err != nil {
-						conn.Close()
-						return nil, err
+					c, err := tagged.Dialer(baseCtx, dispatcher, dest, outbound)
+					if err != nil {
+						return errors.New("cannot dial remote address ", dest).Base(err)
 					}
-					return tlsConn, nil
-				},
-			},
-			CheckRedirect: func(req *http.Request, via []*http.Request) error {
-				if req.URL.Scheme != "https" {
-					return errors.New("redirected to non-https URL: ", req.URL.String())
+					conn = c
+					return nil
+				})
+				if err != nil {
+					return nil, errors.New("cannot finish connection").Base(err)
 				}
-				if len(via) >= 10 {
-					return errors.New("stopped after 10 redirects")
-				}
-				return nil
+				return &idleConn{
+					Conn: conn,
+				}, nil
 			},
-		}
-	} else {
-		return &http.Client{
-			Transport: &http.Transport{
-				Proxy:                 nil,
-				DisableKeepAlives:     true,
-				DialContext:           dial,
-				ResponseHeaderTimeout: idleTimeout,
-			},
-			CheckRedirect: func(req *http.Request, via []*http.Request) error {
-				if req.URL.Scheme != "https" {
-					return errors.New("redirected to non-https URL: ", req.URL.String())
-				}
-				if len(via) >= 10 {
-					return errors.New("stopped after 10 redirects")
-				}
-				return nil
-			},
-		}
+			TLSHandshakeTimeout:   idleTimeout,
+			ResponseHeaderTimeout: idleTimeout,
+		},
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			if req.URL.Scheme != "https" {
+				return errors.New("redirected to non-https URL: ", req.URL.String())
+			}
+			if len(via) >= 10 {
+				return errors.New("stopped after 10 redirects")
+			}
+			return nil
+		},
 	}
 }

@@ -196,13 +160,7 @@ func (d *downloader) fetch(rawURL string, writer io.Writer) error {
 	}
 	utils.TryDefaultHeadersWith(req.Header, "nav")

-	var client *http.Client
-	if req.URL.Scheme == "https" {
-		client = d.httpsClient
-	} else {
-		client = d.httpClient
-	}
-	resp, err := client.Do(req)
+	resp, err := d.client.Do(req)
 	if err != nil {
 		return err
 	}
@@ -2,18 +2,15 @@ package metrics

 import (
 	"context"
-	"encoding/json"
-	stderrors "errors"
 	"expvar"
-	stdnet "net"
 	"net/http"
-	"net/http/pprof"
+	_ "net/http/pprof"
 	"strings"

 	"github.com/xtls/xray-core/app/observatory"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
-	xnet "github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/signal/done"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -24,17 +21,15 @@ import (
 type MetricsHandler struct {
 	ohm          outbound.Manager
 	statsManager feature_stats.Manager
-	ctx          context.Context
+	observatory  extension.Observatory
 	tag          string
 	listen       string
-	tcpListener  xnet.Listener
-	listener     *OutboundListener
+	tcpListener  net.Listener
 }

 // NewMetricsHandler creates a new MetricsHandler based on the given config.
 func NewMetricsHandler(ctx context.Context, config *Config) (*MetricsHandler, error) {
 	c := &MetricsHandler{
-		ctx:    ctx,
 		tag:    config.Tag,
 		listen: config.Listen,
 	}
@@ -42,6 +37,46 @@ func NewMetricsHandler(ctx context.Context, config *Config) (*MetricsHandler, er
 		c.statsManager = sm
 		c.ohm = om
 	}))
+	expvar.Publish("stats", expvar.Func(func() interface{} {
+		resp := map[string]map[string]map[string]int64{
+			"inbound":  {},
+			"outbound": {},
+			"user":     {},
+		}
+		c.statsManager.VisitCounters(func(name string, counter feature_stats.Counter) bool {
+			nameSplit := strings.Split(name, ">>>")
+			typeName, tagOrUser, direction := nameSplit[0], nameSplit[1], nameSplit[3]
+			if item, found := resp[typeName][tagOrUser]; found {
+				item[direction] = counter.Value()
+			} else {
+				resp[typeName][tagOrUser] = map[string]int64{
+					direction: counter.Value(),
+				}
+			}
+			return true
+		})
+		return resp
+	}))
+	expvar.Publish("observatory", expvar.Func(func() interface{} {
+		if c.observatory == nil {
+			common.Must(core.RequireFeatures(ctx, func(observatory extension.Observatory) error {
+				c.observatory = observatory
+				return nil
+			}))
+			if c.observatory == nil {
+				return nil
+			}
+		}
+		resp := map[string]*observatory.OutboundStatus{}
+		if o, err := c.observatory.GetObservation(context.Background()); err != nil {
+			return err
+		} else {
+			for _, x := range o.(*observatory.ObservationResult).GetStatus() {
+				resp[x.OutboundTag] = x
+			}
+		}
+		return resp
+	}))
 	return c, nil
 }

@@ -50,172 +85,45 @@ func (p *MetricsHandler) Type() interface{} {
 }

 func (p *MetricsHandler) Start() error {
-	handler := p.httpHandler()
-
 	// direct listen a port if listen is set
 	if p.listen != "" {
-		TCPlistener, err := xnet.Listen("tcp", p.listen)
+		TCPlistener, err := net.Listen("tcp", p.listen)
 		if err != nil {
 			return err
 		}
 		p.tcpListener = TCPlistener
 		errors.LogInfo(context.Background(), "Metrics server listening on ", p.listen)

-		go p.serve(TCPlistener, handler)
-	}
-
-	if p.tag == "" {
-		if p.tcpListener == nil {
-			return errors.New("metrics must have a tag or listen address")
-		}
-		return nil
+		go func() {
+			if err := http.Serve(TCPlistener, http.DefaultServeMux); err != nil {
+				errors.LogErrorInner(context.Background(), err, "failed to start metrics server")
+			}
+		}()
 	}

 	listener := &OutboundListener{
-		buffer: make(chan xnet.Conn, 4),
+		buffer: make(chan net.Conn, 4),
 		done:   done.New(),
 	}
-	p.listener = listener

-	go p.serve(listener, handler)
+	go func() {
+		if err := http.Serve(listener, http.DefaultServeMux); err != nil {
+			errors.LogErrorInner(context.Background(), err, "failed to start metrics server")
+		}
+	}()

 	if err := p.ohm.RemoveHandler(context.Background(), p.tag); err != nil {
 		errors.LogInfo(context.Background(), "failed to remove existing handler")
 	}

-	if err := p.ohm.AddHandler(context.Background(), &Outbound{
+	return p.ohm.AddHandler(context.Background(), &Outbound{
 		tag:      p.tag,
 		listener: listener,
-	}); err != nil {
-		if closeErr := p.Close(); closeErr != nil {
-			errors.LogErrorInner(context.Background(), closeErr, "failed to close metrics server after start failure")
-		}
-		return err
-	}
-
-	return nil
+	})
 }

 func (p *MetricsHandler) Close() error {
-	var errs []error
-	if p.tcpListener != nil {
-		errs = append(errs, p.tcpListener.Close())
-		p.tcpListener = nil
-	}
-	if p.listener != nil {
-		errs = append(errs, p.listener.Close())
-		p.listener = nil
-	}
-	if p.ohm != nil && p.tag != "" {
-		if err := p.ohm.RemoveHandler(context.Background(), p.tag); err != nil {
-			errors.LogInfo(context.Background(), "failed to remove metrics handler")
-		}
-	}
-	return errors.Combine(errs...)
-}
-
-func (p *MetricsHandler) serve(listener xnet.Listener, handler http.Handler) {
-	if err := http.Serve(listener, handler); err != nil && !isClosedListenerError(err) {
-		errors.LogErrorInner(context.Background(), err, "failed to start metrics server")
-	}
-}
-
-func isClosedListenerError(err error) bool {
-	if err == nil {
-		return true
-	}
-	if stderrors.Is(err, stdnet.ErrClosed) || stderrors.Is(err, http.ErrServerClosed) {
-		return true
-	}
-	errText := err.Error()
-	return strings.Contains(errText, "listen closed") ||
-		strings.Contains(errText, "use of closed network connection")
-}
-
-func (p *MetricsHandler) httpHandler() http.Handler {
-	mux := http.NewServeMux()
-	mux.HandleFunc("/debug/vars", p.handleDebugVars)
-	mux.HandleFunc("/debug/pprof/", pprof.Index)
-	mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
-	mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
-	mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
-	mux.HandleFunc("/debug/pprof/trace", pprof.Trace)
-	return mux
-}
-
-func (p *MetricsHandler) handleDebugVars(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	vars := map[string]json.RawMessage{}
-	expvar.Do(func(kv expvar.KeyValue) {
-		value := json.RawMessage(kv.Value.String())
-		if !json.Valid(value) {
-			value = json.RawMessage("null")
-		}
-		vars[kv.Key] = value
-	})
-	vars["stats"] = marshalJSON(p.stats())
-	vars["observatory"] = marshalJSON(p.observatoryStatus())
-
-	payload, err := json.Marshal(vars)
-	if err != nil {
-		http.Error(w, err.Error(), http.StatusInternalServerError)
-		return
-	}
-	w.Write(payload)
-}
-
-func marshalJSON(value interface{}) json.RawMessage {
-	data, err := json.Marshal(value)
-	if err != nil {
-		return json.RawMessage("null")
-	}
-	return data
-}
-
-func (p *MetricsHandler) stats() map[string]map[string]map[string]int64 {
-	resp := map[string]map[string]map[string]int64{
-		"inbound":  {},
-		"outbound": {},
-		"user":     {},
-	}
-	p.statsManager.VisitCounters(func(name string, counter feature_stats.Counter) bool {
-		nameSplit := strings.Split(name, ">>>")
-		if len(nameSplit) < 4 {
-			return true
-		}
-		typeName, tagOrUser, direction := nameSplit[0], nameSplit[1], nameSplit[3]
-		items, found := resp[typeName]
-		if !found {
-			items = map[string]map[string]int64{}
-			resp[typeName] = items
-		}
-		if item, found := items[tagOrUser]; found {
-			item[direction] = counter.Value()
-		} else {
-			items[tagOrUser] = map[string]int64{
-				direction: counter.Value(),
-			}
-		}
-		return true
-	})
-	return resp
-}
-
-func (p *MetricsHandler) observatoryStatus() interface{} {
-	feature := core.MustFromContext(p.ctx).GetFeature(extension.ObservatoryType())
-	if feature == nil {
-		return nil
-	}
-	observatoryFeature := feature.(extension.Observatory)
-	resp := map[string]*observatory.OutboundStatus{}
-	if o, err := observatoryFeature.GetObservation(context.Background()); err != nil {
-		return err
-	} else {
-		for _, x := range o.(*observatory.ObservationResult).GetStatus() {
-			resp[x.OutboundTag] = x
-		}
-	}
-	return resp
+	return nil
 }

 func init() {
@@ -1,161 +0,0 @@
-package metrics
-
-import (
-	"context"
-	"encoding/json"
-	stdnet "net"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-
-	"github.com/xtls/xray-core/app/dispatcher"
-	"github.com/xtls/xray-core/app/proxyman"
-	_ "github.com/xtls/xray-core/app/proxyman/inbound"
-	_ "github.com/xtls/xray-core/app/proxyman/outbound"
-	appstats "github.com/xtls/xray-core/app/stats"
-	"github.com/xtls/xray-core/common/serial"
-	"github.com/xtls/xray-core/core"
-	feature_outbound "github.com/xtls/xray-core/features/outbound"
-)
-
-func TestMetricsCanRestartInSameProcess(t *testing.T) {
-	for i := 0; i < 2; i++ {
-		server := startMetricsTestServer(t)
-		readMetricsVars(t, server)
-		readMetricsPprof(t, server)
-		if err := server.Close(); err != nil {
-			t.Fatalf("failed to close metrics server: %v", err)
-		}
-	}
-}
-
-func TestMetricsCanRunMultipleInstancesInSameProcess(t *testing.T) {
-	server1 := startMetricsTestServer(t)
-	t.Cleanup(func() {
-		_ = server1.Close()
-	})
-	server2 := startMetricsTestServer(t)
-	t.Cleanup(func() {
-		_ = server2.Close()
-	})
-
-	readMetricsVars(t, server1)
-	readMetricsVars(t, server2)
-}
-
-func TestMetricsListenOnlyWithoutTagDoesNotRegisterOutbound(t *testing.T) {
-	listen := pickMetricsListenAddress(t)
-	server := startMetricsTestServerWithMetricsConfig(t, &Config{
-		Listen: listen,
-	})
-	t.Cleanup(func() {
-		_ = server.Close()
-	})
-
-	response, err := http.Get("http://" + listen + "/debug/vars")
-	if err != nil {
-		t.Fatalf("failed to read listen-only metrics: %v", err)
-	}
-	defer response.Body.Close()
-	if response.StatusCode != http.StatusOK {
-		t.Fatalf("unexpected listen-only metrics status: %d", response.StatusCode)
-	}
-
-	outboundManager := server.GetFeature(feature_outbound.ManagerType()).(feature_outbound.Manager)
-	if handlers := outboundManager.ListHandlers(context.Background()); len(handlers) != 0 {
-		t.Fatalf("listen-only metrics registered outbound handlers: got %d, want 0", len(handlers))
-	}
-}
-
-func startMetricsTestServer(t *testing.T) *core.Instance {
-	return startMetricsTestServerWithMetricsConfig(t, &Config{
-		Tag: "metrics_out",
-	})
-}
-
-func startMetricsTestServerWithMetricsConfig(t *testing.T, metricsConfig *Config) *core.Instance {
-	t.Helper()
-
-	server, err := core.New(metricsTestConfig(metricsConfig))
-	if err != nil {
-		t.Fatalf("failed to create metrics server: %v", err)
-	}
-	if err := server.Start(); err != nil {
-		_ = server.Close()
-		t.Fatalf("failed to start metrics server: %v", err)
-	}
-	return server
-}
-
-func metricsTestConfig(metricsConfig *Config) *core.Config {
-	return &core.Config{
-		App: []*serial.TypedMessage{
-			serial.ToTypedMessage(&dispatcher.Config{}),
-			serial.ToTypedMessage(&proxyman.InboundConfig{}),
-			serial.ToTypedMessage(&proxyman.OutboundConfig{}),
-			serial.ToTypedMessage(&appstats.Config{}),
-			serial.ToTypedMessage(metricsConfig),
-		},
-	}
-}
-
-func pickMetricsListenAddress(t *testing.T) string {
-	t.Helper()
-
-	listener, err := stdnet.Listen("tcp", "127.0.0.1:0")
-	if err != nil {
-		t.Fatalf("failed to pick metrics listen address: %v", err)
-	}
-	defer listener.Close()
-	return listener.Addr().String()
-}
-
-func readMetricsVars(t *testing.T, server *core.Instance) {
-	t.Helper()
-
-	recorder := httptest.NewRecorder()
-	metricsHandler(t, server).httpHandler().ServeHTTP(
-		recorder,
-		httptest.NewRequest(http.MethodGet, "/debug/vars", nil),
-	)
-
-	if recorder.Code != http.StatusOK {
-		t.Fatalf("unexpected metrics vars status: %d", recorder.Code)
-	}
-
-	var payload map[string]interface{}
-	if err := json.NewDecoder(recorder.Body).Decode(&payload); err != nil {
-		t.Fatalf("failed to decode metrics vars: %v", err)
-	}
-	if _, found := payload["stats"]; !found {
-		t.Fatal("metrics vars missing stats")
-	}
-	if _, found := payload["observatory"]; !found {
-		t.Fatal("metrics vars missing observatory")
-	}
-}
-
-func readMetricsPprof(t *testing.T, server *core.Instance) {
-	t.Helper()
-
-	recorder := httptest.NewRecorder()
-	metricsHandler(t, server).httpHandler().ServeHTTP(
-		recorder,
-		httptest.NewRequest(http.MethodGet, "/debug/pprof/goroutine?debug=1", nil),
-	)
-
-	if recorder.Code != http.StatusOK {
-		t.Fatalf("unexpected metrics pprof status: %d", recorder.Code)
-	}
-}
-
-func metricsHandler(t *testing.T, server *core.Instance) *MetricsHandler {
-	t.Helper()
-
-	feature := server.GetFeature((*MetricsHandler)(nil))
-	handler, ok := feature.(*MetricsHandler)
-	if !ok || handler == nil {
-		t.Fatal("metrics handler not registered")
-	}
-	return handler
-}
@@ -78,12 +78,6 @@ func (o *Observer) background() {
 			sleepTime = time.Duration(o.config.ProbeInterval)
 		}

-		if len(outbounds) == 0 {
-			errors.LogWarning(o.ctx, "no outbound matches subjectSelector ", o.config.SubjectSelector)
-			time.Sleep(sleepTime)
-			continue
-		}
-
 		if !o.config.EnableConcurrency {
 			sort.Strings(outbounds)
 			for _, v := range outbounds {
@@ -330,6 +330,7 @@ type SenderConfig struct {
 	// Send traffic through the given IP. Only IP is allowed.
 	Via               *net.IPOrDomain         `protobuf:"bytes,1,opt,name=via,proto3" json:"via,omitempty"`
 	StreamSettings    *internet.StreamConfig  `protobuf:"bytes,2,opt,name=stream_settings,json=streamSettings,proto3" json:"stream_settings,omitempty"`
+	ProxySettings     *internet.ProxyConfig   `protobuf:"bytes,3,opt,name=proxy_settings,json=proxySettings,proto3" json:"proxy_settings,omitempty"`
 	MultiplexSettings *MultiplexingConfig     `protobuf:"bytes,4,opt,name=multiplex_settings,json=multiplexSettings,proto3" json:"multiplex_settings,omitempty"`
 	ViaCidr           string                  `protobuf:"bytes,5,opt,name=via_cidr,json=viaCidr,proto3" json:"via_cidr,omitempty"`
 	TargetStrategy    internet.DomainStrategy `protobuf:"varint,6,opt,name=target_strategy,json=targetStrategy,proto3,enum=xray.transport.internet.DomainStrategy" json:"target_strategy,omitempty"`
@@ -381,6 +382,13 @@ func (x *SenderConfig) GetStreamSettings() *internet.StreamConfig {
 	return nil
 }

+func (x *SenderConfig) GetProxySettings() *internet.ProxyConfig {
+	if x != nil {
+		return x.ProxySettings
+	}
+	return nil
+}
+
 func (x *SenderConfig) GetMultiplexSettings() *MultiplexingConfig {
 	if x != nil {
 		return x.MultiplexSettings
@@ -498,13 +506,14 @@ const file_app_proxyman_config_proto_rawDesc = "" +
 	"\x03tag\x18\x01 \x01(\tR\x03tag\x12M\n" +
 	"\x11receiver_settings\x18\x02 \x01(\v2 .xray.common.serial.TypedMessageR\x10receiverSettings\x12G\n" +
 	"\x0eproxy_settings\x18\x03 \x01(\v2 .xray.common.serial.TypedMessageR\rproxySettings\"\x10\n" +
-	"\x0eOutboundConfig\"\xd6\x02\n" +
+	"\x0eOutboundConfig\"\x9d\x03\n" +
 	"\fSenderConfig\x12-\n" +
 	"\x03via\x18\x01 \x01(\v2\x1b.xray.common.net.IPOrDomainR\x03via\x12N\n" +
-	"\x0fstream_settings\x18\x02 \x01(\v2%.xray.transport.internet.StreamConfigR\x0estreamSettings\x12T\n" +
+	"\x0fstream_settings\x18\x02 \x01(\v2%.xray.transport.internet.StreamConfigR\x0estreamSettings\x12K\n" +
+	"\x0eproxy_settings\x18\x03 \x01(\v2$.xray.transport.internet.ProxyConfigR\rproxySettings\x12T\n" +
 	"\x12multiplex_settings\x18\x04 \x01(\v2%.xray.app.proxyman.MultiplexingConfigR\x11multiplexSettings\x12\x19\n" +
 	"\bvia_cidr\x18\x05 \x01(\tR\aviaCidr\x12P\n" +
-	"\x0ftarget_strategy\x18\x06 \x01(\x0e2'.xray.transport.internet.DomainStrategyR\x0etargetStrategyJ\x04\b\x03\x10\x04\"\xa4\x01\n" +
+	"\x0ftarget_strategy\x18\x06 \x01(\x0e2'.xray.transport.internet.DomainStrategyR\x0etargetStrategy\"\xa4\x01\n" +
 	"\x12MultiplexingConfig\x12\x18\n" +
 	"\aenabled\x18\x01 \x01(\bR\aenabled\x12 \n" +
 	"\vconcurrency\x18\x02 \x01(\x05R\vconcurrency\x12(\n" +
@@ -539,7 +548,8 @@ var file_app_proxyman_config_proto_goTypes = []any{
 	(*net.IPOrDomain)(nil),        // 10: xray.common.net.IPOrDomain
 	(*internet.StreamConfig)(nil), // 11: xray.transport.internet.StreamConfig
 	(*serial.TypedMessage)(nil),   // 12: xray.common.serial.TypedMessage
-	(internet.DomainStrategy)(0),  // 13: xray.transport.internet.DomainStrategy
+	(*internet.ProxyConfig)(nil),  // 13: xray.transport.internet.ProxyConfig
+	(internet.DomainStrategy)(0),  // 14: xray.transport.internet.DomainStrategy
 }
 var file_app_proxyman_config_proto_depIdxs = []int32{
 	7,  // 0: xray.app.proxyman.SniffingConfig.domains_excluded:type_name -> xray.common.geodata.DomainRule
@@ -552,13 +562,14 @@ var file_app_proxyman_config_proto_depIdxs = []int32{
 	12, // 7: xray.app.proxyman.InboundHandlerConfig.proxy_settings:type_name -> xray.common.serial.TypedMessage
 	10, // 8: xray.app.proxyman.SenderConfig.via:type_name -> xray.common.net.IPOrDomain
 	11, // 9: xray.app.proxyman.SenderConfig.stream_settings:type_name -> xray.transport.internet.StreamConfig
-	6,  // 10: xray.app.proxyman.SenderConfig.multiplex_settings:type_name -> xray.app.proxyman.MultiplexingConfig
-	13, // 11: xray.app.proxyman.SenderConfig.target_strategy:type_name -> xray.transport.internet.DomainStrategy
-	12, // [12:12] is the sub-list for method output_type
-	12, // [12:12] is the sub-list for method input_type
-	12, // [12:12] is the sub-list for extension type_name
-	12, // [12:12] is the sub-list for extension extendee
-	0,  // [0:12] is the sub-list for field type_name
+	13, // 10: xray.app.proxyman.SenderConfig.proxy_settings:type_name -> xray.transport.internet.ProxyConfig
+	6,  // 11: xray.app.proxyman.SenderConfig.multiplex_settings:type_name -> xray.app.proxyman.MultiplexingConfig
+	14, // 12: xray.app.proxyman.SenderConfig.target_strategy:type_name -> xray.transport.internet.DomainStrategy
+	13, // [13:13] is the sub-list for method output_type
+	13, // [13:13] is the sub-list for method input_type
+	13, // [13:13] is the sub-list for extension type_name
+	13, // [13:13] is the sub-list for extension extendee
+	0,  // [0:13] is the sub-list for field type_name
 }

 func init() { file_app_proxyman_config_proto_init() }
@@ -57,7 +57,7 @@ message SenderConfig {
  // Send traffic through the given IP. Only IP is allowed.
  xray.common.net.IPOrDomain via = 1;
  xray.transport.internet.StreamConfig stream_settings = 2;
-  reserved 3;
+  xray.transport.internet.ProxyConfig proxy_settings = 3;
  MultiplexingConfig multiplex_settings = 4;
  string via_cidr = 5;
  xray.transport.internet.DomainStrategy target_strategy = 6;
@@ -26,7 +26,7 @@ func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter)
 	if len(tag) > 0 && policy.ForSystem().Stats.InboundUplink {
 		statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
 		name := "inbound>>>" + tag + ">>>traffic>>>uplink"
-		c, _ := statsManager.GetOrRegisterCounter(name)
+		c, _ := stats.GetOrRegisterCounter(statsManager, name)
 		if c != nil {
 			uplinkCounter = c
 		}
@@ -34,7 +34,7 @@ func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter)
 	if len(tag) > 0 && policy.ForSystem().Stats.InboundDownlink {
 		statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
 		name := "inbound>>>" + tag + ">>>traffic>>>downlink"
-		c, _ := statsManager.GetOrRegisterCounter(name)
+		c, _ := stats.GetOrRegisterCounter(statsManager, name)
 		if c != nil {
 			downlinkCounter = c
 		}
@@ -57,23 +57,16 @@ func NewAlwaysOnInboundHandler(ctx context.Context, tag string, receiverConfig *
 	if err != nil {
 		return nil, err
 	}
-	src := net.TCPDestination(net.AnyIP, 0)
-	if receiverConfig.Listen != nil {
-		src.Address = receiverConfig.Listen.AsAddress()
-	}
-	if receiverConfig.PortList != nil && len(receiverConfig.PortList.Range) > 0 {
-		src.Port = net.Port(receiverConfig.PortList.Range[0].From)
-	}
-	mss, err := internet.ToMemoryStreamConfig(receiverConfig.StreamSettings)
-	if err != nil {
-		return nil, errors.New("failed to parse stream config").Base(err).AtWarning()
-	}

-	newCtx := session.ContextWithInbound(ctx, &session.Inbound{Tag: tag, Source: src})
-	newCtx = session.ContextWithContent(newCtx, &session.Content{SniffingRequest: sniffingRequest})
-	newCtx = session.ContextWithStreamSettings(newCtx, mss)
-
-	rawProxy, err := common.CreateObject(newCtx, proxyConfig)
+	// Set tag and sniffing config in context before creating proxy
+	// This allows proxies like TUN to access these settings
+	ctx = session.ContextWithInbound(ctx, &session.Inbound{Tag: tag})
+	if receiverConfig.SniffingSettings != nil {
+		ctx = session.ContextWithContent(ctx, &session.Content{
+			SniffingRequest: sniffingRequest,
+		})
+	}
+	rawProxy, err := common.CreateObject(ctx, proxyConfig)
 	if err != nil {
 		return nil, err
 	}
@@ -99,6 +92,11 @@ func NewAlwaysOnInboundHandler(ctx context.Context, tag string, receiverConfig *
 		address = net.AnyIP
 	}

+	mss, err := internet.ToMemoryStreamConfig(receiverConfig.StreamSettings)
+	if err != nil {
+		return nil, errors.New("failed to parse stream config").Base(err).AtWarning()
+	}
+
 	if receiverConfig.ReceiveOriginalDestination {
 		if mss.SocketSettings == nil {
 			mss.SocketSettings = &internet.SocketConfig{}
@@ -172,12 +170,6 @@ func NewAlwaysOnInboundHandler(ctx context.Context, tag string, receiverConfig *

 // Start implements common.Runnable.
 func (h *AlwaysOnInboundHandler) Start() error {
-	// for inbound without worker (TUN)
-	if run, ok := h.proxy.(common.Runnable); ok {
-		if err := run.Start(); err != nil {
-			return errors.New("failed to start proxy").Base(err)
-		}
-	}
 	for _, worker := range h.workers {
 		if err := worker.Start(); err != nil {
 			return err
@@ -6,6 +6,7 @@ import (
 	goerrors "errors"
 	"io"
 	"math/big"
+	"os"

 	"github.com/xtls/xray-core/common/dice"

@@ -15,6 +16,7 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/core"
@@ -25,6 +27,8 @@ import (
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
 	"github.com/xtls/xray-core/transport/internet/stat"
+	"github.com/xtls/xray-core/transport/internet/tls"
+	"github.com/xtls/xray-core/transport/pipe"
 	"google.golang.org/protobuf/proto"
 )

@@ -36,7 +40,7 @@ func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter)
 	if len(tag) > 0 && policy.ForSystem().Stats.OutboundUplink {
 		statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
 		name := "outbound>>>" + tag + ">>>traffic>>>uplink"
-		c, _ := statsManager.GetOrRegisterCounter(name)
+		c, _ := stats.GetOrRegisterCounter(statsManager, name)
 		if c != nil {
 			uplinkCounter = c
 		}
@@ -44,7 +48,7 @@ func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter)
 	if len(tag) > 0 && policy.ForSystem().Stats.OutboundDownlink {
 		statsManager := v.GetFeature(stats.ManagerType()).(stats.Manager)
 		name := "outbound>>>" + tag + ">>>traffic>>>downlink"
-		c, _ := statsManager.GetOrRegisterCounter(name)
+		c, _ := stats.GetOrRegisterCounter(statsManager, name)
 		if c != nil {
 			downlinkCounter = c
 		}
@@ -60,6 +64,7 @@ type Handler struct {
 	streamSettings  *internet.MemoryStreamConfig
 	proxyConfig     proto.Message
 	proxy           proxy.Outbound
+	outboundManager outbound.Manager
 	mux             *mux.ClientManager
 	xudp            *mux.ClientManager
 	udp443          string
@@ -73,6 +78,7 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbou
 	uplinkCounter, downlinkCounter := getStatCounter(v, config.Tag)
 	h := &Handler{
 		tag:             config.Tag,
+		outboundManager: v.GetFeature(outbound.ManagerType()).(outbound.Manager),
 		uplinkCounter:   uplinkCounter,
 		downlinkCounter: downlinkCounter,
 	}
@@ -103,10 +109,6 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbou

 	ctx = session.ContextWithFullHandler(ctx, h)

-	if h.streamSettings != nil {
-		ctx = session.ContextWithStreamSettings(ctx, h.streamSettings)
-	}
-
 	rawProxyHandler, err := common.CreateObject(ctx, proxyConfig)
 	if err != nil {
 		return nil, err
@@ -194,6 +196,7 @@ func (h *Handler) Dispatch(ctx context.Context, link *transport.Link) {
 				common.Interrupt(link.Reader)
 				return
 			}
+
 		} else {
 			unchangedDomain := ob.Target.Address.Domain()
 			ob.Target.Address = net.IPAddress(ips[dice.Roll(len(ips))])
@@ -266,26 +269,71 @@ func (h *Handler) DestIpAddress() net.IP {

 // Dial implements internet.Dialer.
 func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connection, error) {
-	if h.senderSettings != nil && h.senderSettings.Via != nil {
-		outbounds := session.OutboundsFromContext(ctx)
-		ob := outbounds[len(outbounds)-1]
-		h.SetOutboundGateway(ctx, ob)
+	if h.senderSettings != nil {
+
+		if h.senderSettings.ProxySettings.HasTag() {
+
+			tag := h.senderSettings.ProxySettings.Tag
+			handler := h.outboundManager.GetHandler(tag)
+			if handler != nil {
+				errors.LogDebug(ctx, "proxying to ", tag, " for dest ", dest)
+				outbounds := session.OutboundsFromContext(ctx)
+				ctx = session.ContextWithOutbounds(ctx, append(outbounds, &session.Outbound{
+					Target: dest,
+					Tag:    tag,
+				})) // add another outbound in session ctx
+				opts := pipe.OptionsFromContext(ctx)
+				uplinkReader, uplinkWriter := pipe.New(opts...)
+				downlinkReader, downlinkWriter := pipe.New(opts...)
+
+				go handler.Dispatch(ctx, &transport.Link{Reader: uplinkReader, Writer: downlinkWriter})
+				conn := cnc.NewConnection(cnc.ConnectionInputMulti(uplinkWriter), cnc.ConnectionOutputMulti(downlinkReader))
+
+				if config := tls.ConfigFromStreamSettings(h.streamSettings); config != nil {
+					tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
+					conn = tls.Client(conn, tlsConfig)
+				}
+
+				return h.getStatCouterConnection(conn), nil
+			}
+
+			errors.LogError(ctx, "failed to get outbound handler with tag: ", tag)
+			return nil, errors.New("failed to get outbound handler with tag: " + tag)
+		}
+
+		if h.senderSettings.Via != nil {
+			outbounds := session.OutboundsFromContext(ctx)
+			ob := outbounds[len(outbounds)-1]
+			h.SetOutboundGateway(ctx, ob)
+		}
+
+	}
+
+	if conn, err := h.getUoTConnection(ctx, dest); err != os.ErrInvalid {
+		return conn, err
 	}

 	conn, err := internet.Dial(ctx, dest, h.streamSettings)
 	conn = h.getStatCouterConnection(conn)
+	outbounds := session.OutboundsFromContext(ctx)
+	if outbounds != nil {
+		ob := outbounds[len(outbounds)-1]
+		ob.Conn = conn
+	} else {
+		// for Vision's pre-connect
+	}
 	return conn, err
 }

 func (h *Handler) SetOutboundGateway(ctx context.Context, ob *session.Outbound) {
-	if ob.Gateway == nil && h.senderSettings != nil && h.senderSettings.Via != nil &&
-		(h.streamSettings.SocketSettings == nil || len(h.streamSettings.SocketSettings.DialerProxy) == 0) {
+	if ob.Gateway == nil && h.senderSettings != nil && h.senderSettings.Via != nil && !h.senderSettings.ProxySettings.HasTag() && (h.streamSettings.SocketSettings == nil || len(h.streamSettings.SocketSettings.DialerProxy) == 0) {
 		var domain string
 		addr := h.senderSettings.Via.AsAddress()
 		domain = h.senderSettings.Via.GetDomain()
 		switch {
 		case h.senderSettings.ViaCidr != "":
 			ob.Gateway = ParseRandomIP(addr, h.senderSettings.ViaCidr)
+
 		case domain == "origin":
 			if inbound := session.InboundFromContext(ctx); inbound != nil {
 				if inbound.Local.IsValid() && inbound.Local.Address.Family().IsIP() {
@@ -300,9 +348,12 @@ func (h *Handler) SetOutboundGateway(ctx context.Context, ob *session.Outbound)
 					errors.LogDebug(ctx, "use inbound source ip as sendthrough: ", inbound.Source.Address.String())
 				}
 			}
-		default: // case addr.Family().IsDomain():
+		// case addr.Family().IsDomain():
+		default:
 			ob.Gateway = addr
+
 		}
+
 	}
 }

@@ -2,43 +2,33 @@ package outbound

 import (
 	"context"
-	"slices"
 	"sort"
 	"strings"
-	"sync/atomic"
+	"sync"

 	"github.com/xtls/xray-core/app/proxyman"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/utils"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/outbound"
-	"github.com/xtls/xray-core/features/routing"
 )

 // Manager is to manage all outbound handlers.
 type Manager struct {
-	defaultHandler   atomic.Pointer[outbound.Handler]
-	taggedHandler    *utils.TypedSyncMap[string, outbound.Handler]
-	untaggedHandlers atomic.Pointer[[]outbound.Handler]
-	running          atomic.Bool
-	tagsCache        *utils.TypedSyncMap[string, []string]
-	balancerPicker   routing.BalancerPicker
+	access           sync.RWMutex
+	defaultHandler   outbound.Handler
+	taggedHandler    map[string]outbound.Handler
+	untaggedHandlers []outbound.Handler
+	running          bool
+	tagsCache        *sync.Map
 }

 // New creates a new Manager.
 func New(ctx context.Context, config *proxyman.OutboundConfig) (*Manager, error) {
 	m := &Manager{
-		taggedHandler: utils.NewTypedSyncMap[string, outbound.Handler](),
+		taggedHandler: make(map[string]outbound.Handler),
+		tagsCache:     &sync.Map{},
 	}
-	m.tagsCache = utils.NewTypedSyncMap[string, []string]()
-	empty := make([]outbound.Handler, 0)
-	m.untaggedHandlers.Store(&empty)
-	_ = core.OptionalFeatures(ctx, func(router routing.Router) {
-		if picker, ok := router.(routing.BalancerPicker); ok {
-			m.balancerPicker = picker
-		}
-	})
 	return m, nil
 }

@@ -49,25 +39,20 @@ func (m *Manager) Type() interface{} {

 // Start implements core.Feature
 func (m *Manager) Start() error {
-	m.running.Store(true)
+	m.access.Lock()
+	defer m.access.Unlock()

-	var startErr error
-	m.taggedHandler.Range(func(_ string, h outbound.Handler) bool {
+	m.running = true
+
+	for _, h := range m.taggedHandler {
 		if err := h.Start(); err != nil {
-			startErr = err
-			return false
+			return err
 		}
-		return true
-	})
-	if startErr != nil {
-		return startErr
 	}

-	if untagged := m.untaggedHandlers.Load(); untagged != nil {
-		for _, h := range *untagged {
-			if err := h.Start(); err != nil {
-				return err
-			}
+	for _, h := range m.untaggedHandlers {
+		if err := h.Start(); err != nil {
+			return err
 		}
 	}

@@ -76,18 +61,18 @@ func (m *Manager) Start() error {

 // Close implements core.Feature
 func (m *Manager) Close() error {
-	m.running.Store(false)
+	m.access.Lock()
+	defer m.access.Unlock()
+
+	m.running = false

 	var errs []error
-	m.taggedHandler.Range(func(_ string, h outbound.Handler) bool {
+	for _, h := range m.taggedHandler {
 		errs = append(errs, h.Close())
-		return true
-	})
+	}

-	if untagged := m.untaggedHandlers.Load(); untagged != nil {
-		for _, h := range *untagged {
-			errs = append(errs, h.Close())
-		}
+	for _, h := range m.untaggedHandlers {
+		errs = append(errs, h.Close())
 	}

 	return errors.Combine(errs...)
@@ -95,69 +80,47 @@ func (m *Manager) Close() error {

 // GetDefaultHandler implements outbound.Manager.
 func (m *Manager) GetDefaultHandler() outbound.Handler {
-	if h := m.defaultHandler.Load(); h != nil {
-		return *h
+	m.access.RLock()
+	defer m.access.RUnlock()
+
+	if m.defaultHandler == nil {
+		return nil
 	}
-	return nil
+	return m.defaultHandler
 }

 // GetHandler implements outbound.Manager.
 func (m *Manager) GetHandler(tag string) outbound.Handler {
-	if handler, found := m.taggedHandler.Load(tag); found {
+	m.access.RLock()
+	defer m.access.RUnlock()
+	if handler, found := m.taggedHandler[tag]; found {
 		return handler
 	}
-	if strings.HasPrefix(tag, "balancer:") && m.balancerPicker != nil {
-		targetTag := m.tryGetOutboundTagWithBalancer(tag, nil)
-		if targetTag == "" {
-			return nil
-		}
-		if handler, found := m.taggedHandler.Load(targetTag); found {
-			return handler
-		}
-	}
 	return nil
 }

-func (m *Manager) tryGetOutboundTagWithBalancer(tag string, parents []string) string {
-	balancerTag := tag[len("balancer:"):]
-	targetTag, err := m.balancerPicker.GetBalancerOutboundTag(balancerTag)
-	if err != nil {
-		errors.LogWarning(context.Background(), "failed to pick outbound from balancer [", balancerTag, "]: ", err)
-		return ""
-	}
-	if strings.HasPrefix(targetTag, "balancer:") {
-		if slices.Contains(parents, balancerTag) {
-			errors.LogWarning(context.Background(), "detected balancer loop for [", balancerTag, "]")
-			return ""
-		}
-		return m.tryGetOutboundTagWithBalancer(targetTag, append(parents, balancerTag))
-	}
-	return targetTag
-}
-
 // AddHandler implements outbound.Manager.
 func (m *Manager) AddHandler(ctx context.Context, handler outbound.Handler) error {
-	m.defaultHandler.CompareAndSwap(nil, &handler)
+	m.access.Lock()
+	defer m.access.Unlock()
+
+	m.tagsCache = &sync.Map{}
+
+	if m.defaultHandler == nil {
+		m.defaultHandler = handler
+	}

 	tag := handler.Tag()
 	if len(tag) > 0 {
-		if _, found := m.taggedHandler.LoadOrStore(tag, handler); found {
+		if _, found := m.taggedHandler[tag]; found {
 			return errors.New("existing tag found: " + tag)
 		}
+		m.taggedHandler[tag] = handler
 	} else {
-		for {
-			oldUntagged := m.untaggedHandlers.Load()
-			newUntagged := make([]outbound.Handler, 0, len(*oldUntagged)+1)
-			newUntagged = append(newUntagged, *oldUntagged...)
-			newUntagged = append(newUntagged, handler)
-			if m.untaggedHandlers.CompareAndSwap(oldUntagged, &newUntagged) {
-				m.tagsCache.Clear()
-				break
-			}
-		}
+		m.untaggedHandlers = append(m.untaggedHandlers, handler)
 	}

-	if m.running.Load() {
+	if m.running {
 		return handler.Start()
 	}

@@ -169,27 +132,30 @@ func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
 	if tag == "" {
 		return common.ErrNoClue
 	}
+	m.access.Lock()
+	defer m.access.Unlock()

-	m.taggedHandler.Delete(tag)
-	if cur := m.defaultHandler.Load(); cur != nil && (*cur).Tag() == tag {
-		m.defaultHandler.CompareAndSwap(cur, nil)
+	m.tagsCache = &sync.Map{}
+
+	delete(m.taggedHandler, tag)
+	if m.defaultHandler != nil && m.defaultHandler.Tag() == tag {
+		m.defaultHandler = nil
 	}
-	m.tagsCache.Clear()

 	return nil
 }

 // ListHandlers implements outbound.Manager.
 func (m *Manager) ListHandlers(ctx context.Context) []outbound.Handler {
-	var response []outbound.Handler
-	if untagged := m.untaggedHandlers.Load(); untagged != nil {
-		response = slices.Clone(*untagged)
-	}
+	m.access.RLock()
+	defer m.access.RUnlock()

-	m.taggedHandler.Range(func(_ string, v outbound.Handler) bool {
+	response := make([]outbound.Handler, len(m.untaggedHandlers))
+	copy(response, m.untaggedHandlers)
+
+	for _, v := range m.taggedHandler {
 		response = append(response, v)
-		return true
-	})
+	}

 	return response
 }
@@ -197,21 +163,23 @@ func (m *Manager) ListHandlers(ctx context.Context) []outbound.Handler {
 // Select implements outbound.HandlerSelector.
 func (m *Manager) Select(selectors []string) []string {
 	key := strings.Join(selectors, ",")
-	if result, ok := m.tagsCache.Load(key); ok {
-		return result
+	if cache, ok := m.tagsCache.Load(key); ok {
+		return cache.([]string)
 	}

+	m.access.RLock()
+	defer m.access.RUnlock()
+
 	tags := make([]string, 0, len(selectors))

-	m.taggedHandler.Range(func(tag string, _ outbound.Handler) bool {
+	for tag := range m.taggedHandler {
 		for _, selector := range selectors {
 			if strings.HasPrefix(tag, selector) {
 				tags = append(tags, tag)
 				break
 			}
 		}
-		return true
-	})
+	}

 	sort.Strings(tags)
 	m.tagsCache.Store(key, tags)
@@ -0,0 +1,35 @@
+package outbound
+
+import (
+	"context"
+	"os"
+
+	"github.com/sagernet/sing/common/uot"
+	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/transport/internet"
+	"github.com/xtls/xray-core/transport/internet/stat"
+)
+
+func (h *Handler) getUoTConnection(ctx context.Context, dest net.Destination) (stat.Connection, error) {
+	if dest.Address == nil {
+		return nil, errors.New("nil destination address")
+	}
+	if !dest.Address.Family().IsDomain() {
+		return nil, os.ErrInvalid
+	}
+	var uotVersion int
+	if dest.Address.Domain() == uot.MagicAddress {
+		uotVersion = uot.Version
+	} else if dest.Address.Domain() == uot.LegacyMagicAddress {
+		uotVersion = uot.LegacyVersion
+	} else {
+		return nil, os.ErrInvalid
+	}
+	packetConn, err := internet.ListenSystemPacket(ctx, &net.UDPAddr{IP: net.AnyIP.IP(), Port: 0}, h.streamSettings.SocketSettings)
+	if err != nil {
+		return nil, errors.New("unable to listen socket").Base(err)
+	}
+	conn := uot.NewServerConn(packetConn, uotVersion)
+	return h.getStatCouterConnection(conn), nil
+}
@@ -136,7 +136,7 @@ func (b *Balancer) SelectOutbounds() ([]string, error) {

 // GetPrincipleTarget implements routing.BalancerPrincipleTarget
 func (r *Router) GetPrincipleTarget(tag string) ([]string, error) {
-	if b, ok := (*r.balancers.Load())[tag]; ok {
+	if b, ok := r.balancers[tag]; ok {
 		if s, ok := b.strategy.(BalancingPrincipleTarget); ok {
 			candidates, err := b.SelectOutbounds()
 			if err != nil {
@@ -151,7 +151,7 @@ func (r *Router) GetPrincipleTarget(tag string) ([]string, error) {

 // SetOverrideTarget implements routing.BalancerOverrider
 func (r *Router) SetOverrideTarget(tag, target string) error {
-	if b, ok := (*r.balancers.Load())[tag]; ok {
+	if b, ok := r.balancers[tag]; ok {
 		b.override.Put(target)
 		return nil
 	}
@@ -160,16 +160,8 @@ func (r *Router) SetOverrideTarget(tag, target string) error {

 // GetOverrideTarget implements routing.BalancerOverrider
 func (r *Router) GetOverrideTarget(tag string) (string, error) {
-	if b, ok := (*r.balancers.Load())[tag]; ok {
+	if b, ok := r.balancers[tag]; ok {
 		return b.override.Get(), nil
 	}
 	return "", errors.New("cannot find tag")
 }
-
-// PickOutbound implements routing.BalancerPicker
-func (r *Router) GetBalancerOutboundTag(balancerTag string) (string, error) {
-	if b, ok := (*r.balancers.Load())[balancerTag]; ok {
-		return b.PickOutbound()
-	}
-	return "", errors.New("cannot find tag")
-}
@@ -2,8 +2,25 @@ package router

 import (
 	sync "sync"
+
+	"github.com/xtls/xray-core/common/errors"
 )

+func (r *Router) OverrideBalancer(balancer string, target string) error {
+	var b *Balancer
+	for tag, bl := range r.balancers {
+		if tag == balancer {
+			b = bl
+			break
+		}
+	}
+	if b == nil {
+		return errors.New("balancer '", balancer, "' not found")
+	}
+	b.override.Put(target)
+	return nil
+}
+
 type overrideSettings struct {
 	target string
 }
@@ -5,7 +5,6 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
-	"runtime"
 	"slices"
 	"strings"

@@ -394,22 +393,3 @@ func (m *ProcessNameMatcher) Apply(ctx routing.Context) bool {
 	}
 	return false
 }
-
-// LocalOSMatcher matches the operating system Xray itself is running on. That never
-// changes while Xray is running, so the result is resolved when the rule is built.
-type LocalOSMatcher struct {
-	matched bool
-}
-
-func NewLocalOSMatcher(names []string) *LocalOSMatcher {
-	return &LocalOSMatcher{
-		matched: slices.ContainsFunc(names, func(name string) bool {
-			return strings.EqualFold(name, runtime.GOOS)
-		}),
-	}
-}
-
-// Apply implements Condition.
-func (m *LocalOSMatcher) Apply(_ routing.Context) bool {
-	return m.matched
-}
@@ -2,9 +2,7 @@ package router_test

 import (
 	"path/filepath"
-	"runtime"
 	"strconv"
-	"strings"
 	"testing"

 	. "github.com/xtls/xray-core/app/router"
@@ -345,31 +343,6 @@ func TestChinaSites(t *testing.T) {
 	}
 }

-func TestLocalOSRule(t *testing.T) {
-	otherOS := "plan9"
-	if runtime.GOOS == otherOS {
-		otherOS = "linux"
-	}
-
-	cases := []struct {
-		localOS []string
-		output  bool
-	}{
-		{localOS: []string{runtime.GOOS}, output: true},
-		{localOS: []string{otherOS}, output: false},
-		{localOS: []string{otherOS, runtime.GOOS}, output: true},
-		{localOS: []string{strings.ToUpper(runtime.GOOS)}, output: true},
-	}
-
-	for _, test := range cases {
-		cond, err := (&RoutingRule{LocalOs: test.localOS}).BuildCondition()
-		common.Must(err)
-		if got := cond.Apply(withBackground()); got != test.output {
-			t.Errorf("for localOS %v on %s: expected %v, got %v", test.localOS, runtime.GOOS, test.output, got)
-		}
-	}
-}
-
 func BenchmarkMphDomainMatcher(b *testing.B) {
 	b.Setenv("xray.location.asset", filepath.Join("..", "..", "resources"))
 	rules, err := geodata.ParseDomainRules([]string{"geosite:cn"}, geodata.Domain_Substr)
@@ -33,10 +33,6 @@ func (r *Rule) Apply(ctx routing.Context) bool {
 func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	conds := NewConditionChan()

-	if len(rr.LocalOs) > 0 {
-		conds.Add(NewLocalOSMatcher(rr.LocalOs))
-	}
-
 	if len(rr.InboundTag) > 0 {
 		conds.Add(NewInboundTagMatcher(rr.InboundTag))
 	}
@@ -107,10 +107,8 @@ type RoutingRule struct {
 	VlessRouteList *net.PortList  `protobuf:"bytes,20,opt,name=vless_route_list,json=vlessRouteList,proto3" json:"vless_route_list,omitempty"`
 	Process        []string       `protobuf:"bytes,21,rep,name=process,proto3" json:"process,omitempty"`
 	Webhook        *WebhookConfig `protobuf:"bytes,22,opt,name=webhook,proto3" json:"webhook,omitempty"`
-	// List of operating systems for matching the one Xray itself is running on.
-	LocalOs       []string `protobuf:"bytes,23,rep,name=local_os,json=localOs,proto3" json:"local_os,omitempty"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
+	unknownFields  protoimpl.UnknownFields
+	sizeCache      protoimpl.SizeCache
 }

 func (x *RoutingRule) Reset() {
@@ -280,13 +278,6 @@ func (x *RoutingRule) GetWebhook() *WebhookConfig {
 	return nil
 }

-func (x *RoutingRule) GetLocalOs() []string {
-	if x != nil {
-		return x.LocalOs
-	}
-	return nil
-}
-
 type isRoutingRule_TargetTag interface {
 	isRoutingRule_TargetTag()
 }
@@ -646,7 +637,7 @@ var File_app_router_config_proto protoreflect.FileDescriptor

 const file_app_router_config_proto_rawDesc = "" +
 	"\n" +
-	"\x17app/router/config.proto\x12\x0fxray.app.router\x1a!common/serial/typed_message.proto\x1a\x15common/net/port.proto\x1a\x18common/net/network.proto\x1a\x1bcommon/geodata/geodat.proto\"\xdc\a\n" +
+	"\x17app/router/config.proto\x12\x0fxray.app.router\x1a!common/serial/typed_message.proto\x1a\x15common/net/port.proto\x1a\x18common/net/network.proto\x1a\x1bcommon/geodata/geodat.proto\"\xc1\a\n" +
 	"\vRoutingRule\x12\x12\n" +
 	"\x03tag\x18\x01 \x01(\tH\x00R\x03tag\x12%\n" +
 	"\rbalancing_tag\x18\f \x01(\tH\x00R\fbalancingTag\x12\x19\n" +
@@ -670,8 +661,7 @@ const file_app_router_config_proto_rawDesc = "" +
 	"\x0flocal_port_list\x18\x12 \x01(\v2\x19.xray.common.net.PortListR\rlocalPortList\x12C\n" +
 	"\x10vless_route_list\x18\x14 \x01(\v2\x19.xray.common.net.PortListR\x0evlessRouteList\x12\x18\n" +
 	"\aprocess\x18\x15 \x03(\tR\aprocess\x128\n" +
-	"\awebhook\x18\x16 \x01(\v2\x1e.xray.app.router.WebhookConfigR\awebhook\x12\x19\n" +
-	"\blocal_os\x18\x17 \x03(\tR\alocalOs\x1a=\n" +
+	"\awebhook\x18\x16 \x01(\v2\x1e.xray.app.router.WebhookConfigR\awebhook\x1a=\n" +
 	"\x0fAttributesEntry\x12\x10\n" +
 	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
 	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01B\f\n" +
@@ -56,9 +56,6 @@ message RoutingRule {

  repeated string process = 21;
  WebhookConfig webhook = 22;
-
-  // List of operating systems for matching the one Xray itself is running on.
-  repeated string local_os = 23;
 }

 message WebhookConfig {
@@ -2,9 +2,7 @@ package router

 import (
 	"context"
-	"maps"
 	"sync"
-	"sync/atomic"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -19,8 +17,8 @@ import (
 // Router is an implementation of routing.Router.
 type Router struct {
 	domainStrategy Config_DomainStrategy
-	rules          atomic.Pointer[[]*Rule]
-	balancers      atomic.Pointer[map[string]*Balancer]
+	rules          []*Rule
+	balancers      map[string]*Balancer
 	dns            dns.Client

 	ctx        context.Context
@@ -45,9 +43,52 @@ func (r *Router) Init(ctx context.Context, config *Config, d dns.Client, ohm out
 	r.ohm = ohm
 	r.dispatcher = dispatcher

-	r.rules.Store(new([]*Rule))
-	r.balancers.Store(&map[string]*Balancer{})
-	return r.ReloadRules(config, false)
+	r.balancers = make(map[string]*Balancer, len(config.BalancingRule))
+	for _, rule := range config.BalancingRule {
+		balancer, err := rule.Build(ohm, dispatcher)
+		if err != nil {
+			return err
+		}
+		balancer.InjectContext(ctx)
+		r.balancers[rule.Tag] = balancer
+	}
+
+	r.rules = make([]*Rule, 0, len(config.Rule))
+	for _, rule := range config.Rule {
+		cond, err := rule.BuildCondition()
+		if err != nil {
+			r.closeWebhooks()
+			return err
+		}
+		rr := &Rule{
+			Condition: cond,
+			Tag:       rule.GetTag(),
+			RuleTag:   rule.GetRuleTag(),
+		}
+		if wh := rule.GetWebhook(); wh != nil {
+			notifier, err := NewWebhookNotifier(wh)
+			if err != nil {
+				r.closeWebhooks()
+				return err
+			}
+			rr.Webhook = notifier
+		}
+		btag := rule.GetBalancingTag()
+		if len(btag) > 0 {
+			brule, found := r.balancers[btag]
+			if !found {
+				if rr.Webhook != nil {
+					rr.Webhook.Close()
+				}
+				r.closeWebhooks()
+				return errors.New("balancer ", btag, " not found")
+			}
+			rr.Balancer = brule
+		}
+		r.rules = append(r.rules, rr)
+	}
+
+	return nil
 }

 // PickRoute implements routing.Router.
@@ -83,22 +124,18 @@ func (r *Router) ReloadRules(config *Config, shouldAppend bool) error {
 	r.mu.Lock()
 	defer r.mu.Unlock()

-	oldRules := *r.rules.Load()
-	oldBalancers := *r.balancers.Load()
-
-	var newRules []*Rule
-	newBalancers := make(map[string]*Balancer)
-	existTags := make(map[string]bool, len(oldRules)+len(config.Rule))
-	if shouldAppend {
-		newRules = append(newRules, oldRules...)
-		maps.Copy(newBalancers, oldBalancers)
-		for _, rule := range oldRules {
-			existTags[rule.RuleTag] = true
+	if !shouldAppend {
+		for _, rule := range r.rules {
+			if rule.Webhook != nil {
+				rule.Webhook.Close()
+			}
 		}
+		r.balancers = make(map[string]*Balancer, len(config.BalancingRule))
+		r.rules = make([]*Rule, 0, len(config.Rule))
 	}
-
 	for _, rule := range config.BalancingRule {
-		if _, found := newBalancers[rule.Tag]; found {
+		_, found := r.balancers[rule.Tag]
+		if found {
 			return errors.New("duplicate balancer tag")
 		}
 		balancer, err := rule.Build(r.ohm, r.dispatcher)
@@ -106,12 +143,27 @@ func (r *Router) ReloadRules(config *Config, shouldAppend bool) error {
 			return err
 		}
 		balancer.InjectContext(r.ctx)
-		newBalancers[rule.Tag] = balancer
+		r.balancers[rule.Tag] = balancer
+	}
+
+	startIdx := len(r.rules)
+	closeNewWebhooks := func() {
+		for i := startIdx; i < len(r.rules); i++ {
+			if r.rules[i].Webhook != nil {
+				r.rules[i].Webhook.Close()
+			}
+		}
+		r.rules = r.rules[:startIdx]
 	}

 	for _, rule := range config.Rule {
+		if r.RuleExists(rule.GetRuleTag()) {
+			closeNewWebhooks()
+			return errors.New("duplicate ruleTag ", rule.GetRuleTag())
+		}
 		cond, err := rule.BuildCondition()
 		if err != nil {
+			closeNewWebhooks()
 			return err
 		}
 		rr := &Rule{
@@ -119,64 +171,69 @@ func (r *Router) ReloadRules(config *Config, shouldAppend bool) error {
 			Tag:       rule.GetTag(),
 			RuleTag:   rule.GetRuleTag(),
 		}
-		if rr.RuleTag != "" && existTags[rr.RuleTag] {
-			return errors.New("duplicate ruleTag ", rr.RuleTag)
-		}
-		existTags[rr.RuleTag] = true
 		if wh := rule.GetWebhook(); wh != nil {
 			notifier, err := NewWebhookNotifier(wh)
 			if err != nil {
+				closeNewWebhooks()
 				return err
 			}
 			rr.Webhook = notifier
 		}
-		if btag := rule.GetBalancingTag(); len(btag) > 0 {
-			brule, found := newBalancers[btag]
+		btag := rule.GetBalancingTag()
+		if len(btag) > 0 {
+			brule, found := r.balancers[btag]
 			if !found {
+				if rr.Webhook != nil {
+					rr.Webhook.Close()
+				}
+				closeNewWebhooks()
 				return errors.New("balancer ", btag, " not found")
 			}
 			rr.Balancer = brule
 		}
-		newRules = append(newRules, rr)
+		r.rules = append(r.rules, rr)
 	}

-	r.balancers.Store(&newBalancers)
-	r.rules.Store(&newRules)
-	if !shouldAppend {
-		closeWebhooks(oldRules)
-	}
 	return nil
 }

+func (r *Router) RuleExists(tag string) bool {
+	if tag != "" {
+		for _, rule := range r.rules {
+			if rule.RuleTag == tag {
+				return true
+			}
+		}
+	}
+	return false
+}
+
 // RemoveRule implements routing.Router.
 func (r *Router) RemoveRule(tag string) error {
-	if tag == "" {
-		return errors.New("empty tag name!")
-	}
-
 	r.mu.Lock()
 	defer r.mu.Unlock()

-	oldRules := *r.rules.Load()
-	newRules := make([]*Rule, 0, len(oldRules))
-	var removed []*Rule
-	for _, rule := range oldRules {
-		if rule.RuleTag != tag {
-			newRules = append(newRules, rule)
-		} else {
-			removed = append(removed, rule)
+	newRules := []*Rule{}
+	if tag != "" {
+		for _, rule := range r.rules {
+			if rule.RuleTag != tag {
+				newRules = append(newRules, rule)
+			} else if rule.Webhook != nil {
+				rule.Webhook.Close()
+			}
 		}
+		r.rules = newRules
+		return nil
 	}
-	r.rules.Store(&newRules)
-	closeWebhooks(removed)
-	return nil
+	return errors.New("empty tag name!")
 }

 // ListRule implements routing.Router
 func (r *Router) ListRule() []routing.Route {
-	rules := *r.rules.Load()
-	ruleList := make([]routing.Route, 0, len(rules))
-	for _, rule := range rules {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	ruleList := make([]routing.Route, 0)
+	for _, rule := range r.rules {
 		ruleList = append(ruleList, &Route{
 			outboundTag: rule.Tag,
 			ruleTag:     rule.RuleTag,
@@ -195,9 +252,7 @@ func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context,
 		ctx = routing_dns.ContextWithDNSClient(ctx, r.dns)
 	}

-	rules := *r.rules.Load()
-
-	for _, rule := range rules {
+	for _, rule := range r.rules {
 		if rule.Apply(ctx) {
 			return rule, ctx, nil
 		}
@@ -210,7 +265,7 @@ func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context,
 	ctx = routing_dns.ContextWithDNSClient(ctx, r.dns)

 	// Try applying rules again if we have IPs.
-	for _, rule := range rules {
+	for _, rule := range r.rules {
 		if rule.Apply(ctx) {
 			return rule, ctx, nil
 		}
@@ -224,9 +279,9 @@ func (r *Router) Start() error {
 	return nil
 }

-// closeWebhooks closes all webhook notifiers in the given rule set.
-func closeWebhooks(rules []*Rule) {
-	for _, rule := range rules {
+// closeWebhooks closes all webhook notifiers in the current rule set.
+func (r *Router) closeWebhooks() {
+	for _, rule := range r.rules {
 		if rule.Webhook != nil {
 			rule.Webhook.Close()
 		}
@@ -237,7 +292,7 @@ func closeWebhooks(rules []*Rule) {
 func (r *Router) Close() error {
 	r.mu.Lock()
 	defer r.mu.Unlock()
-	closeWebhooks(*r.rules.Load())
+	r.closeWebhooks()
 	return nil
 }

@@ -8,7 +8,6 @@ import (
 	"net"
 	"net/http"
 	"sync"
-	"sync/atomic"
 	"time"

 	"github.com/xtls/xray-core/common/errors"
@@ -41,7 +40,6 @@ type WebhookNotifier struct {
 	deduplication uint32
 	client        *http.Client
 	seen          sync.Map
-	lastSweep     atomic.Int64
 	done          chan struct{}
 	wg            sync.WaitGroup
 	closeOnce     sync.Once
@@ -79,6 +77,11 @@ func NewWebhookNotifier(cfg *WebhookConfig) (*WebhookNotifier, error) {
 		}
 	}

+	if h.deduplication > 0 {
+		h.wg.Add(1)
+		go h.cleanupLoop()
+	}
+
 	return h, nil
 }

@@ -198,7 +201,6 @@ func (h *WebhookNotifier) isDuplicate(email string) bool {
 	}
 	ttl := time.Duration(h.deduplication) * time.Second
 	now := time.Now()
-	h.maybeSweep(now, ttl)
 	if v, loaded := h.seen.LoadOrStore(email, now); loaded {
 		if now.Sub(v.(time.Time)) < ttl {
 			return true
@@ -208,23 +210,27 @@ func (h *WebhookNotifier) isDuplicate(email string) bool {
 	return false
 }

-func (h *WebhookNotifier) maybeSweep(now time.Time, ttl time.Duration) {
-	last := h.lastSweep.Load()
-	if now.UnixNano()-last < int64(ttl) {
-		return
-	}
-	if !h.lastSweep.CompareAndSwap(last, now.UnixNano()) {
-		return // another goroutine did the sweep
-	}
-	h.seen.Range(func(key, value any) bool {
-		if now.Sub(value.(time.Time)) >= ttl {
-			h.seen.Delete(key)
+func (h *WebhookNotifier) cleanupLoop() {
+	defer h.wg.Done()
+	ttl := time.Duration(h.deduplication) * time.Second
+	ticker := time.NewTicker(ttl)
+	defer ticker.Stop()
+	for {
+		select {
+		case <-h.done:
+			return
+		case <-ticker.C:
+			now := time.Now()
+			h.seen.Range(func(key, value any) bool {
+				if now.Sub(value.(time.Time)) >= ttl {
+					h.seen.Delete(key)
+				}
+				return true
+			})
 		}
-		return true
-	})
+	}
 }

-// Only need to call if the Notifier is really used, otherwise GC can clean it
 func (h *WebhookNotifier) Close() error {
 	h.closeOnce.Do(func() {
 		close(h.done)
@@ -48,20 +48,6 @@ func (m *Manager) RegisterCounter(name string) (stats.Counter, error) {
 	return c, nil
 }

-// GetOrRegisterCounter implements stats.Manager.
-func (m *Manager) GetOrRegisterCounter(name string) (stats.Counter, error) {
-	m.access.Lock()
-	defer m.access.Unlock()
-
-	if c, found := m.counters[name]; found {
-		return c, nil
-	}
-	errors.LogDebug(context.Background(), "create new counter ", name)
-	c := new(Counter)
-	m.counters[name] = c
-	return c, nil
-}
-
 // UnregisterCounter implements stats.Manager.
 func (m *Manager) UnregisterCounter(name string) error {
 	m.access.Lock()
@@ -111,20 +97,6 @@ func (m *Manager) RegisterOnlineMap(name string) (stats.OnlineMap, error) {
 	return om, nil
 }

-// GetOrRegisterOnlineMap implements stats.Manager.
-func (m *Manager) GetOrRegisterOnlineMap(name string) (stats.OnlineMap, error) {
-	m.access.Lock()
-	defer m.access.Unlock()
-
-	if om, found := m.onlineMaps[name]; found {
-		return om, nil
-	}
-	errors.LogDebug(context.Background(), "create new OnlineMap ", name)
-	om := NewOnlineMap()
-	m.onlineMaps[name] = om
-	return om, nil
-}
-
 // UnregisterOnlineMap implements stats.Manager.
 func (m *Manager) UnregisterOnlineMap(name string) error {
 	m.access.Lock()
@@ -177,26 +149,6 @@ func (m *Manager) RegisterChannel(name string) (stats.Channel, error) {
 	return c, nil
 }

-// GetOrRegisterChannel implements stats.Manager.
-func (m *Manager) GetOrRegisterChannel(name string) (stats.Channel, error) {
-	m.access.Lock()
-	defer m.access.Unlock()
-
-	if c, found := m.channels[name]; found {
-		return c, nil
-	}
-	errors.LogDebug(context.Background(), "create new channel ", name)
-	c := NewChannel(&ChannelConfig{BufferSize: 64, Blocking: false})
-	if m.running {
-		// Start before publishing so no goroutine can observe an unstarted channel.
-		if err := c.Start(); err != nil {
-			return nil, err
-		}
-	}
-	m.channels[name] = c
-	return c, nil
-}
-
 // UnregisterChannel implements stats.Manager.
 func (m *Manager) UnregisterChannel(name string) error {
 	m.access.Lock()
@@ -122,7 +122,7 @@ func NewReader(reader io.Reader) Reader {
 	}

 	_, isFile := reader.(*os.File)
-	if !isFile && useReadV() {
+	if !isFile && useReadv {
 		if sc, ok := reader.(syscall.Conn); ok {
 			rawConn, err := sc.SyscallConn()
 			if err != nil {
@@ -5,7 +5,6 @@ package buf

 import (
 	"io"
-	"sync/atomic"
 	"syscall"

 	"github.com/xtls/xray-core/common/platform"
@@ -144,24 +143,13 @@ func (r *ReadVReader) ReadMultiBuffer() (MultiBuffer, error) {
 	return mb, nil
 }

-var useReadv atomic.Bool
-
-func useReadV() bool {
-	return useReadv.Load()
-}
-
-func reloadEnvSettings() error {
-	const defaultFlagValue = "NOT_DEFINED_AT_ALL"
-	value := platform.NewEnvFlag(platform.UseReadV).GetValue(func() string { return defaultFlagValue })
-	enabled := false
-	switch value {
-	case defaultFlagValue, "auto", "enable":
-		enabled = true
-	}
-	useReadv.Store(enabled)
-	return nil
-}
+var useReadv bool

 func init() {
-	platform.RegisterEnvReload(reloadEnvSettings)
+	const defaultFlagValue = "NOT_DEFINED_AT_ALL"
+	value := platform.NewEnvFlag(platform.UseReadV).GetValue(func() string { return defaultFlagValue })
+	switch value {
+	case defaultFlagValue, "auto", "enable":
+		useReadv = true
+	}
 }
@@ -10,9 +10,7 @@ import (
 	"github.com/xtls/xray-core/features/stats"
 )

-func useReadV() bool {
-	return false
-}
+const useReadv = false

 func NewReadVReader(reader io.Reader, rawConn syscall.RawConn, counter stats.Counter) Reader {
 	panic("not implemented")
@@ -118,9 +118,7 @@ func (w *BufferedWriter) Write(b []byte) (int, error) {

 		nBytes, err := w.buffer.Write(b)
 		totalBytes += nBytes
-
-		// ErrBufferFull means a partial write, so flush below and continue
-		if err != nil && err != ErrBufferFull {
+		if err != nil {
 			return totalBytes, err
 		}
 		if !w.buffered || w.buffer.IsFull() {
@@ -10,12 +10,12 @@ import (

 // [,)
 func RandBetween(from int64, to int64) int64 {
+	if from == to {
+		return from
+	}
 	if from > to {
 		from, to = to, from
 	}
-	if d := to - from; d == 0 || d == 1 {
-		return from
-	}
 	bigInt, _ := rand.Int(rand.Reader, big.NewInt(to-from))
 	return from + bigInt.Int64()
 }
@@ -1,49 +0,0 @@
-package geodata
-
-import (
-	"sync"
-
-	"github.com/xtls/xray-core/common"
-)
-
-var privateIPMatcher = sync.OnceValue(func() IPMatcher {
-	return common.Must2(IPReg.BuildIPMatcher(common.Must2(ParseIPRules([]string{
-		"0.0.0.0/8",
-		"10.0.0.0/8",
-		"100.64.0.0/10",
-		"127.0.0.0/8",
-		"169.254.0.0/16",
-		"172.16.0.0/12",
-		"192.0.0.0/24",
-		"192.0.2.0/24",
-		"192.88.99.0/24",
-		"192.168.0.0/16",
-		"198.18.0.0/15",
-		"198.51.100.0/24",
-		"203.0.113.0/24",
-		"224.0.0.0/3",
-		"::/127",
-		"fc00::/7",
-		"fe80::/10",
-		"ff00::/8",
-	}))))
-})
-
-func GetPrivateIPMatcher() IPMatcher { return privateIPMatcher() }
-
-var privateDomainMatcher = sync.OnceValue(func() DomainMatcher {
-	return common.Must2(DomainReg.BuildDomainMatcher(common.Must2(ParseDomainRules([]string{
-		"lan",
-		"localdomain",
-		"example",
-		"invalid",
-		"localhost",
-		"test",
-		"local",
-		"home.arpa",
-		"internal",
-		"regexp:^[a-z]([a-z0-9-]{0,61}[a-z0-9])?$", // Dotless domains
-	}, Domain_Domain))))
-})
-
-func GetPrivateDomainMatcher() DomainMatcher { return privateDomainMatcher() }
@@ -220,7 +220,7 @@ func parseDomain(d *Domain) (strmatcher.Matcher, error) {
 	case Domain_Regex:
 		return strmatcher.Regex.New(d.Value)
 	case Domain_Domain:
-		return strmatcher.Domain.New(strings.ToLower(d.Value))
+		return strmatcher.Domain.New(d.Value)
 	case Domain_Full:
 		return strmatcher.Full.New(strings.ToLower(d.Value))
 	default:
@@ -6,14 +6,12 @@ import (
 	"sync/atomic"

 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/utils"
-	"github.com/xtls/xray-core/common/uuid"
 )

 type DomainRegistry struct {
 	mu       sync.Mutex
 	factory  DomainMatcherFactory
-	matchers *utils.WeakCacheMap[uuid.UUID, DynamicDomainMatcher]
+	matchers []*DynamicDomainMatcher
 }

 func (r *DomainRegistry) BuildDomainMatcher(rules []*DomainRule) (DomainMatcher, error) {
@@ -26,7 +24,7 @@ func (r *DomainRegistry) BuildDomainMatcher(rules []*DomainRule) (DomainMatcher,
 	}

 	d := NewDynamicDomainMatcher(rules, m)
-	r.matchers.Store(uuid.New(), d)
+	r.matchers = append(r.matchers, d)
 	return d, nil
 }

@@ -34,20 +32,15 @@ func (r *DomainRegistry) Reload() error {
 	r.mu.Lock()
 	defer r.mu.Unlock()

-	var matchers []*DynamicDomainMatcher
-	r.matchers.Range(func(_ uuid.UUID, matcher *DynamicDomainMatcher) bool {
-		matchers = append(matchers, matcher)
-		return true
-	})
-	errors.LogInfo(context.Background(), "reloading GeoSite data for ", len(matchers), " domain matcher(s)")
+	errors.LogInfo(context.Background(), "reloading GeoSite data for ", len(r.matchers), " domain matcher(s)")

 	factory := newDomainMatcherFactory()
 	type reloadEntry struct {
 		dynamic *DynamicDomainMatcher
 		matcher DomainMatcher
 	}
-	reloaded := make([]reloadEntry, len(matchers))
-	for i, d := range matchers {
+	reloaded := make([]reloadEntry, len(r.matchers))
+	for i, d := range r.matchers {
 		m, err := factory.BuildMatcher(d.rules)
 		if err != nil {
 			errors.LogErrorInner(context.Background(), err, "failed to reload GeoSite data for domain matcher ", i)
@@ -59,14 +52,13 @@ func (r *DomainRegistry) Reload() error {
 		entry.dynamic.Reload(entry.matcher)
 	}
 	r.factory = factory
-	errors.LogInfo(context.Background(), "reloaded GeoSite data for ", len(matchers), " domain matcher(s)")
+	errors.LogInfo(context.Background(), "reloaded GeoSite data for ", len(r.matchers), " domain matcher(s)")
 	return nil
 }

 func newDomainRegistry() *DomainRegistry {
 	return &DomainRegistry{
-		factory:  newDomainMatcherFactory(),
-		matchers: utils.NewWeakCacheMap[uuid.UUID, DynamicDomainMatcher](),
+		factory: newDomainMatcherFactory(),
 	}
 }

@@ -7,27 +7,25 @@ import (

 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/utils"
-	"github.com/xtls/xray-core/common/uuid"
 )

 type IPRegistry struct {
-	mu       sync.Mutex
-	factory  *IPSetFactory
-	matchers *utils.WeakCacheMap[uuid.UUID, DynamicIPMatcher]
+	mu           sync.Mutex
+	ipsetFactory *IPSetFactory
+	matchers     []*DynamicIPMatcher
 }

 func (r *IPRegistry) BuildIPMatcher(rules []*IPRule) (IPMatcher, error) {
 	r.mu.Lock()
 	defer r.mu.Unlock()

-	m, err := buildOptimizedIPMatcher(r.factory, rules)
+	m, err := buildOptimizedIPMatcher(r.ipsetFactory, rules)
 	if err != nil {
 		return nil, err
 	}

 	d := NewDynamicIPMatcher(rules, m)
-	r.matchers.Store(uuid.New(), d)
+	r.matchers = append(r.matchers, d)
 	return d, nil
 }

@@ -35,20 +33,15 @@ func (r *IPRegistry) Reload() error {
 	r.mu.Lock()
 	defer r.mu.Unlock()

-	var matchers []*DynamicIPMatcher
-	r.matchers.Range(func(_ uuid.UUID, matcher *DynamicIPMatcher) bool {
-		matchers = append(matchers, matcher)
-		return true
-	})
-	errors.LogInfo(context.Background(), "reloading GeoIP data for ", len(matchers), " IP matcher(s)")
+	errors.LogInfo(context.Background(), "reloading GeoIP data for ", len(r.matchers), " IP matcher(s)")

 	factory := newIPSetFactory()
 	type reloadEntry struct {
 		dynamic *DynamicIPMatcher
 		matcher IPMatcher
 	}
-	reloaded := make([]reloadEntry, len(matchers))
-	for i, d := range matchers {
+	reloaded := make([]reloadEntry, len(r.matchers))
+	for i, d := range r.matchers {
 		m, err := buildOptimizedIPMatcher(factory, d.rules)
 		if err != nil {
 			errors.LogErrorInner(context.Background(), err, "failed to reload GeoIP data for IP matcher ", i)
@@ -59,15 +52,14 @@ func (r *IPRegistry) Reload() error {
 	for _, entry := range reloaded {
 		entry.dynamic.Reload(entry.matcher)
 	}
-	r.factory = factory
-	errors.LogInfo(context.Background(), "reloaded GeoIP data for ", len(matchers), " IP matcher(s)")
+	r.ipsetFactory = factory
+	errors.LogInfo(context.Background(), "reloaded GeoIP data for ", len(r.matchers), " IP matcher(s)")
 	return nil
 }

 func newIPRegistry() *IPRegistry {
 	return &IPRegistry{
-		factory:  newIPSetFactory(),
-		matchers: utils.NewWeakCacheMap[uuid.UUID, DynamicIPMatcher](),
+		ipsetFactory: newIPSetFactory(),
 	}
 }

@@ -138,7 +138,7 @@ func ParseDomainRule(r string, defaultType Domain_Type) (*DomainRule, error) {
 	}

 	prefix := 0
-	for _, ext := range [...]string{"ext:", "ext-domain:", "ext-site:"} {
+	for _, ext := range [...]string{"ext:", "ext-domain:"} {
 		if strings.HasPrefix(r, ext) {
 			prefix = len(ext)
 			break
@@ -167,7 +167,7 @@ func ParseDomainRules(rules []string, defaultType Domain_Type) ([]*DomainRule, e
 		}

 		prefix := 0
-		for _, ext := range [...]string{"ext:", "ext-domain:", "ext-site:"} {
+		for _, ext := range [...]string{"ext:", "ext-domain:"} {
 			if strings.HasPrefix(r, ext) {
 				prefix = len(ext)
 				break
@@ -1,350 +0,0 @@
-//go:build darwin && !ios
-
-package net
-
-import (
-	"bytes"
-	"net"
-	"net/netip"
-	"path/filepath"
-	"strings"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/unix"
-
-	"github.com/xtls/xray-core/common/errors"
-)
-
-const (
-	darwinProcPIDListFDs      = 1
-	darwinProcPIDFDSocketInfo = 3
-	darwinProcFDTypeSocket    = 2
-	darwinProcFDInfoSize      = 8
-	darwinSocketFDInfoSize    = 792
-	darwinSocketFDInfoPSIOff  = 24
-	darwinSocketInfoProtoOff  = darwinSocketFDInfoPSIOff + 156
-	darwinSocketInfoFamilyOff = darwinSocketFDInfoPSIOff + 160
-	darwinSocketInfoKindOff   = darwinSocketFDInfoPSIOff + 232
-	darwinSocketInfoInSockOff = darwinSocketFDInfoPSIOff + 240
-	darwinInSockInfoFPortOff  = darwinSocketInfoInSockOff
-	darwinInSockInfoLPortOff  = darwinSocketInfoInSockOff + 4
-	darwinInSockInfoVFlagOff  = darwinSocketInfoInSockOff + 24
-	darwinInSockInfoFAddrOff  = darwinSocketInfoInSockOff + 32
-	darwinInSockInfoLAddrOff  = darwinSocketInfoInSockOff + 48
-	darwinInSockInfoSize      = 80
-	darwinInSockInfoIPv4      = 0x1
-	darwinInSockInfoIPv6      = 0x2
-	darwinSockInfoIN          = 1
-	darwinSockInfoTCP         = 2
-)
-
-type darwinSocketMatchLevel int
-
-const (
-	darwinSocketNoMatch darwinSocketMatchLevel = iota
-	darwinSocketPortMatch
-	darwinSocketRemoteMatch
-	darwinSocketLocalMatch
-	darwinSocketExactMatch
-)
-
-func FindProcess(network, srcIP string, srcPort uint16, destIP string, destPort uint16) (PID int, Name string, AbsolutePath string, err error) {
-	isLocal, err := IsLocal(net.ParseIP(srcIP))
-	if err != nil {
-		return 0, "", "", errors.New("failed to determine if address is local: ", err)
-	}
-	if !isLocal {
-		return 0, "", "", ErrNotLocal
-	}
-	if network != "tcp" && network != "udp" {
-		panic("Unsupported network type for process lookup.")
-	}
-
-	srcAddr, err := netip.ParseAddr(srcIP)
-	if err != nil {
-		return 0, "", "", errors.New("invalid source IP address: ", srcIP)
-	}
-	srcAddr = srcAddr.Unmap()
-
-	var dstAddr netip.Addr
-	hasDstAddr := false
-	if destIP != "" && destPort != 0 {
-		dstAddr, err = netip.ParseAddr(destIP)
-		if err != nil {
-			return 0, "", "", errors.New("invalid destination IP address: ", destIP)
-		}
-		dstAddr = dstAddr.Unmap()
-		hasDstAddr = true
-	}
-
-	processes, err := unix.SysctlKinfoProcSlice("kern.proc.all")
-	if err != nil {
-		return 0, "", "", errors.New("failed to list processes").Base(err)
-	}
-
-	var bestPID int32
-	bestLevel := darwinSocketNoMatch
-	ambiguousBest := false
-
-	for _, process := range processes {
-		pid := process.Proc.P_pid
-		if pid <= 0 {
-			continue
-		}
-
-		matchLevel, err := darwinProcessSocketMatchLevel(pid, network, srcAddr, srcPort, dstAddr, destPort, hasDstAddr)
-		if err != nil || matchLevel == darwinSocketNoMatch {
-			continue
-		}
-		if matchLevel == darwinSocketExactMatch {
-			bestPID = pid
-			bestLevel = matchLevel
-			ambiguousBest = false
-			break
-		}
-		if matchLevel > bestLevel {
-			bestPID = pid
-			bestLevel = matchLevel
-			ambiguousBest = false
-			continue
-		}
-		if matchLevel == bestLevel {
-			ambiguousBest = true
-		}
-	}
-
-	if bestLevel == darwinSocketNoMatch {
-		return 0, "", "", errors.New("process not found for ", network, " connection from ", srcIP, ":", srcPort, " to ", destIP, ":", destPort)
-	}
-	if ambiguousBest {
-		return 0, "", "", errors.New("ambiguous process match for ", network, " connection from ", srcIP, ":", srcPort, " to ", destIP, ":", destPort)
-	}
-
-	absPath, err := darwinProcessPath(bestPID)
-	if err != nil {
-		return 0, "", "", errors.New("could not get process path for PID ", bestPID, ": ", err)
-	}
-
-	absPath = filepath.ToSlash(absPath)
-	return int(bestPID), filepath.Base(absPath), absPath, nil
-}
-
-func darwinProcessSocketMatchLevel(pid int32, network string, srcAddr netip.Addr, srcPort uint16, dstAddr netip.Addr, dstPort uint16, hasDstAddr bool) (darwinSocketMatchLevel, error) {
-	fds, err := darwinProcessFDs(pid)
-	if err != nil {
-		return darwinSocketNoMatch, err
-	}
-
-	bestLevel := darwinSocketNoMatch
-	info := make([]byte, darwinSocketFDInfoSize)
-	for fd := 0; fd+darwinProcFDInfoSize <= len(fds); fd += darwinProcFDInfoSize {
-		fdNumber := int32(darwinReadNativeUint32(fds[fd : fd+4]))
-		fdType := darwinReadNativeUint32(fds[fd+4 : fd+8])
-		if fdType != darwinProcFDTypeSocket {
-			continue
-		}
-
-		n, err := darwinProcPIDFDInfo(pid, fdNumber, darwinProcPIDFDSocketInfo, info)
-		if err != nil || n < darwinSocketInfoInSockOff+darwinInSockInfoSize {
-			continue
-		}
-		level := darwinSocketInfoMatchLevel(info[:n], network, srcAddr, srcPort, dstAddr, dstPort, hasDstAddr)
-		if level == darwinSocketExactMatch {
-			return level, nil
-		}
-		if level > bestLevel {
-			bestLevel = level
-		}
-	}
-
-	return bestLevel, nil
-}
-
-func darwinProcessFDs(pid int32) ([]byte, error) {
-	n, err := darwinProcPIDInfo(pid, darwinProcPIDListFDs, 0, nil)
-	if err != nil {
-		return nil, err
-	}
-	if n <= 0 {
-		return nil, nil
-	}
-
-	buf := make([]byte, n)
-	n, err = darwinProcPIDInfo(pid, darwinProcPIDListFDs, 0, buf)
-	if err != nil {
-		return nil, err
-	}
-	return buf[:n], nil
-}
-
-func darwinSocketInfoMatchLevel(info []byte, network string, srcAddr netip.Addr, srcPort uint16, dstAddr netip.Addr, dstPort uint16, hasDstAddr bool) darwinSocketMatchLevel {
-	protocol := int(darwinReadNativeUint32(info[darwinSocketInfoProtoOff : darwinSocketInfoProtoOff+4]))
-	family := int(darwinReadNativeUint32(info[darwinSocketInfoFamilyOff : darwinSocketInfoFamilyOff+4]))
-	kind := int(darwinReadNativeUint32(info[darwinSocketInfoKindOff : darwinSocketInfoKindOff+4]))
-
-	switch network {
-	case "tcp":
-		if protocol != unix.IPPROTO_TCP || kind != darwinSockInfoTCP {
-			return darwinSocketNoMatch
-		}
-	case "udp":
-		if protocol != unix.IPPROTO_UDP || kind != darwinSockInfoIN {
-			return darwinSocketNoMatch
-		}
-	default:
-		return darwinSocketNoMatch
-	}
-
-	vflag := info[darwinInSockInfoVFlagOff]
-	if srcAddr.Is4() {
-		// Dual-stack sockets expose IPv4-mapped connections as AF_INET6
-		// while marking the endpoint as IPv4 in ini_vflag.
-		if (family != unix.AF_INET && family != unix.AF_INET6) || vflag&darwinInSockInfoIPv4 == 0 {
-			return darwinSocketNoMatch
-		}
-	} else {
-		if family != unix.AF_INET6 || vflag&darwinInSockInfoIPv6 == 0 {
-			return darwinSocketNoMatch
-		}
-	}
-
-	localPort := int32(darwinReadNativeUint32(info[darwinInSockInfoLPortOff : darwinInSockInfoLPortOff+4]))
-	if !darwinPortMatches(localPort, srcPort) {
-		return darwinSocketNoMatch
-	}
-	localAddrMatches := darwinAddrMatchesOrUnspecified(info[darwinInSockInfoLAddrOff:darwinInSockInfoLAddrOff+16], srcAddr)
-
-	foreignAddrRaw := info[darwinInSockInfoFAddrOff : darwinInSockInfoFAddrOff+16]
-	foreignPort := int32(darwinReadNativeUint32(info[darwinInSockInfoFPortOff : darwinInSockInfoFPortOff+4]))
-
-	if !hasDstAddr {
-		if localAddrMatches {
-			return darwinSocketExactMatch
-		}
-		return darwinSocketNoMatch
-	}
-
-	remoteMatches := darwinPortMatches(foreignPort, dstPort) && darwinAddrMatches(foreignAddrRaw, dstAddr)
-	if network == "udp" && darwinEndpointIsZero(foreignAddrRaw, foreignPort) && localAddrMatches {
-		return darwinSocketExactMatch
-	}
-	switch {
-	case localAddrMatches && remoteMatches:
-		return darwinSocketExactMatch
-	case localAddrMatches:
-		return darwinSocketLocalMatch
-	case remoteMatches:
-		return darwinSocketRemoteMatch
-	default:
-		return darwinSocketPortMatch
-	}
-}
-
-func darwinPortMatches(value int32, port uint16) bool {
-	raw := uint16(value)
-	return raw == port || darwinNtohs(raw) == port
-}
-
-func darwinNtohs(value uint16) uint16 {
-	return value<<8 | value>>8
-}
-
-func darwinAddrMatches(raw []byte, addr netip.Addr) bool {
-	if addr.Is4() {
-		ip := addr.As4()
-		return bytes.Equal(raw[12:16], ip[:])
-	}
-	ip := addr.As16()
-	return bytes.Equal(raw, ip[:])
-}
-
-func darwinAddrMatchesOrUnspecified(raw []byte, addr netip.Addr) bool {
-	if darwinAddrMatches(raw, addr) {
-		return true
-	}
-	if addr.Is4() {
-		return darwinBytesAreZero(raw[12:16])
-	}
-	return darwinBytesAreZero(raw)
-}
-
-func darwinEndpointIsZero(rawAddr []byte, port int32) bool {
-	return uint32(port) == 0 && darwinBytesAreZero(rawAddr)
-}
-
-func darwinBytesAreZero(raw []byte) bool {
-	for _, value := range raw {
-		if value != 0 {
-			return false
-		}
-	}
-	return true
-}
-
-func darwinReadNativeUint32(b []byte) uint32 {
-	return *(*uint32)(unsafe.Pointer(&b[0]))
-}
-
-func darwinProcessPath(pid int32) (string, error) {
-	buf := make([]byte, unix.PathMax)
-	n, err := darwinProcPIDPath(pid, buf)
-	if err != nil {
-		return "", err
-	}
-	if n <= 0 {
-		return "", errors.New("empty process path")
-	}
-	return strings.TrimRight(string(buf[:n]), "\x00"), nil
-}
-
-func darwinProcPIDInfo(pid int32, flavor int, arg uint64, buf []byte) (int, error) {
-	var ptr unsafe.Pointer
-	if len(buf) > 0 {
-		ptr = unsafe.Pointer(&buf[0])
-	}
-
-	r0, _, errno := syscall_syscall6(libc_proc_pidinfo_trampoline_addr, uintptr(pid), uintptr(flavor), uintptr(arg), uintptr(ptr), uintptr(len(buf)), 0)
-	if errno != 0 {
-		return 0, errno
-	}
-	return int(r0), nil
-}
-
-func darwinProcPIDFDInfo(pid int32, fd int32, flavor int, buf []byte) (int, error) {
-	var ptr unsafe.Pointer
-	if len(buf) > 0 {
-		ptr = unsafe.Pointer(&buf[0])
-	}
-
-	r0, _, errno := syscall_syscall6(libc_proc_pidfdinfo_trampoline_addr, uintptr(pid), uintptr(fd), uintptr(flavor), uintptr(ptr), uintptr(len(buf)), 0)
-	if errno != 0 {
-		return 0, errno
-	}
-	return int(r0), nil
-}
-
-func darwinProcPIDPath(pid int32, buf []byte) (int, error) {
-	r0, _, errno := syscall_syscall6(libc_proc_pidpath_trampoline_addr, uintptr(pid), uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)), 0, 0, 0)
-	if errno != 0 {
-		return 0, errno
-	}
-	return int(r0), nil
-}
-
-var libc_proc_pidinfo_trampoline_addr uintptr
-
-//go:cgo_import_dynamic libc_proc_pidinfo proc_pidinfo "/usr/lib/libproc.dylib"
-
-var libc_proc_pidfdinfo_trampoline_addr uintptr
-
-//go:cgo_import_dynamic libc_proc_pidfdinfo proc_pidfdinfo "/usr/lib/libproc.dylib"
-
-var libc_proc_pidpath_trampoline_addr uintptr
-
-//go:cgo_import_dynamic libc_proc_pidpath proc_pidpath "/usr/lib/libproc.dylib"
-
-// Implemented in the runtime package (runtime/sys_darwin.go).
-func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
-
-//go:linkname syscall_syscall6 syscall.syscall6
@@ -1,18 +0,0 @@
-//go:build darwin && !ios
-
-#include "textflag.h"
-
-TEXT libc_proc_pidinfo_trampoline<>(SB),NOSPLIT,$0-0
-	JMP	libc_proc_pidinfo(SB)
-GLOBL	·libc_proc_pidinfo_trampoline_addr(SB), RODATA, $8
-DATA	·libc_proc_pidinfo_trampoline_addr(SB)/8, $libc_proc_pidinfo_trampoline<>(SB)
-
-TEXT libc_proc_pidfdinfo_trampoline<>(SB),NOSPLIT,$0-0
-	JMP	libc_proc_pidfdinfo(SB)
-GLOBL	·libc_proc_pidfdinfo_trampoline_addr(SB), RODATA, $8
-DATA	·libc_proc_pidfdinfo_trampoline_addr(SB)/8, $libc_proc_pidfdinfo_trampoline<>(SB)
-
-TEXT libc_proc_pidpath_trampoline<>(SB),NOSPLIT,$0-0
-	JMP	libc_proc_pidpath(SB)
-GLOBL	·libc_proc_pidpath_trampoline_addr(SB), RODATA, $8
-DATA	·libc_proc_pidpath_trampoline_addr(SB)/8, $libc_proc_pidpath_trampoline<>(SB)
@@ -1,356 +0,0 @@
-//go:build darwin && !ios
-
-package net
-
-import (
-	stdnet "net"
-	"net/netip"
-	"os"
-	"testing"
-	"time"
-	"unsafe"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestFindProcessDarwinTCP(t *testing.T) {
-	listener, err := stdnet.Listen("tcp", "127.0.0.1:0")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer listener.Close()
-
-	accepted := make(chan stdnet.Conn, 1)
-	go func() {
-		conn, err := listener.Accept()
-		if err == nil {
-			accepted <- conn
-			return
-		}
-		close(accepted)
-	}()
-
-	conn, err := stdnet.Dial("tcp", listener.Addr().String())
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer conn.Close()
-
-	serverConn := <-accepted
-	if serverConn == nil {
-		t.Fatal("server did not accept tcp connection")
-	}
-	defer serverConn.Close()
-
-	local := conn.LocalAddr().(*stdnet.TCPAddr)
-	remote := conn.RemoteAddr().(*stdnet.TCPAddr)
-
-	pid, name, path, err := FindProcess("tcp", local.IP.String(), uint16(local.Port), remote.IP.String(), uint16(remote.Port))
-	if err != nil {
-		t.Fatal(err)
-	}
-	assertCurrentProcess(t, pid, name, path)
-}
-
-func TestFindProcessDarwinTCPIPv4Mapped(t *testing.T) {
-	listener, err := stdnet.Listen("tcp4", "127.0.0.1:0")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer listener.Close()
-
-	accepted := make(chan stdnet.Conn, 1)
-	go func() {
-		conn, err := listener.Accept()
-		if err == nil {
-			accepted <- conn
-			return
-		}
-		close(accepted)
-	}()
-
-	listenerAddr := listener.Addr().(*stdnet.TCPAddr)
-	fd, err := unix.Socket(unix.AF_INET6, unix.SOCK_STREAM, unix.IPPROTO_TCP)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer unix.Close(fd)
-
-	mappedAddr := [16]byte{10: 0xff, 11: 0xff, 12: 127, 15: 1}
-	if err := unix.Connect(fd, &unix.SockaddrInet6{
-		Port: listenerAddr.Port,
-		Addr: mappedAddr,
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	serverConn := <-accepted
-	if serverConn == nil {
-		t.Fatal("server did not accept tcp connection")
-	}
-	defer serverConn.Close()
-
-	local, err := unix.Getsockname(fd)
-	if err != nil {
-		t.Fatal(err)
-	}
-	localPort := local.(*unix.SockaddrInet6).Port
-
-	pid, name, path, err := FindProcess("tcp", "127.0.0.1", uint16(localPort), "127.0.0.1", uint16(listenerAddr.Port))
-	if err != nil {
-		t.Fatal(err)
-	}
-	assertCurrentProcess(t, pid, name, path)
-}
-
-func TestFindProcessDarwinUDP(t *testing.T) {
-	conn, err := stdnet.ListenUDP("udp", &stdnet.UDPAddr{IP: stdnet.ParseIP("127.0.0.1")})
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer conn.Close()
-
-	local := conn.LocalAddr().(*stdnet.UDPAddr)
-
-	pid, name, path, err := FindProcess("udp", local.IP.String(), uint16(local.Port), "", 0)
-	if err != nil {
-		t.Fatal(err)
-	}
-	assertCurrentProcess(t, pid, name, path)
-}
-
-func TestFindProcessDarwinNonLocal(t *testing.T) {
-	_, _, _, err := FindProcess("tcp", "203.0.113.1", 80, "", 0)
-	if err != ErrNotLocal {
-		t.Fatalf("expected ErrNotLocal, got %v", err)
-	}
-}
-
-func TestFindProcessDarwinUnsupportedNetwork(t *testing.T) {
-	defer func() {
-		if recover() == nil {
-			t.Fatal("expected panic")
-		}
-	}()
-
-	_, _, _, _ = FindProcess("icmp", "127.0.0.1", 0, "", 0)
-}
-
-func assertCurrentProcess(t *testing.T, pid int, name string, path string) {
-	t.Helper()
-
-	if pid != os.Getpid() {
-		t.Fatalf("expected pid %d, got %d (%s, %s)", os.Getpid(), pid, name, path)
-	}
-
-	executable, err := os.Executable()
-	if err != nil {
-		t.Fatal(err)
-	}
-	if path == "" || name == "" {
-		t.Fatalf("expected process path and name, got name=%q path=%q", name, path)
-	}
-	if sameFile(executable, path) {
-		return
-	}
-	t.Fatalf("expected executable %q, got %q", executable, path)
-}
-
-func sameFile(left string, right string) bool {
-	leftInfo, leftErr := os.Stat(left)
-	rightInfo, rightErr := os.Stat(right)
-	if leftErr != nil || rightErr != nil {
-		return false
-	}
-	return os.SameFile(leftInfo, rightInfo)
-}
-
-func TestFindProcessDarwinTCPWithoutDestination(t *testing.T) {
-	listener, err := stdnet.Listen("tcp", "127.0.0.1:0")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer listener.Close()
-
-	accepted := make(chan stdnet.Conn, 1)
-	go func() {
-		conn, err := listener.Accept()
-		if err == nil {
-			accepted <- conn
-			return
-		}
-		close(accepted)
-	}()
-
-	conn, err := stdnet.DialTimeout("tcp", listener.Addr().String(), time.Second)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer conn.Close()
-
-	serverConn := <-accepted
-	if serverConn == nil {
-		t.Fatal("server did not accept tcp connection")
-	}
-	defer serverConn.Close()
-
-	local := conn.LocalAddr().(*stdnet.TCPAddr)
-	pid, name, path, err := FindProcess("tcp", local.IP.String(), uint16(local.Port), "", 0)
-	if err != nil {
-		t.Fatal(err)
-	}
-	assertCurrentProcess(t, pid, name, path)
-}
-
-func TestFindProcessDarwinTCPWithDifferentDestination(t *testing.T) {
-	listener, err := stdnet.Listen("tcp", "127.0.0.1:0")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer listener.Close()
-
-	accepted := make(chan stdnet.Conn, 1)
-	go func() {
-		conn, err := listener.Accept()
-		if err == nil {
-			accepted <- conn
-			return
-		}
-		close(accepted)
-	}()
-
-	conn, err := stdnet.DialTimeout("tcp", listener.Addr().String(), time.Second)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer conn.Close()
-
-	serverConn := <-accepted
-	if serverConn == nil {
-		t.Fatal("server did not accept tcp connection")
-	}
-	defer serverConn.Close()
-
-	local := conn.LocalAddr().(*stdnet.TCPAddr)
-	pid, name, path, err := FindProcess("tcp", local.IP.String(), uint16(local.Port), "203.0.113.10", 443)
-	if err != nil {
-		t.Fatal(err)
-	}
-	assertCurrentProcess(t, pid, name, path)
-}
-
-func TestDarwinSocketInfoMatchLevelFallbacks(t *testing.T) {
-	src := netip.MustParseAddr("198.18.0.2")
-	dst := netip.MustParseAddr("203.0.113.10")
-	otherLocal := netip.MustParseAddr("192.168.1.10")
-	otherRemote := netip.MustParseAddr("198.51.100.10")
-	unspecifiedLocal := netip.MustParseAddr("0.0.0.0")
-
-	tests := []struct {
-		name      string
-		local     netip.Addr
-		remote    netip.Addr
-		hasDst    bool
-		wantLevel darwinSocketMatchLevel
-	}{
-		{
-			name:      "exact",
-			local:     src,
-			remote:    dst,
-			hasDst:    true,
-			wantLevel: darwinSocketExactMatch,
-		},
-		{
-			name:      "unspecified local with matching remote",
-			local:     unspecifiedLocal,
-			remote:    dst,
-			hasDst:    true,
-			wantLevel: darwinSocketExactMatch,
-		},
-		{
-			name:      "unspecified local without destination",
-			local:     unspecifiedLocal,
-			remote:    otherRemote,
-			hasDst:    false,
-			wantLevel: darwinSocketExactMatch,
-		},
-		{
-			name:      "local match with different remote",
-			local:     src,
-			remote:    otherRemote,
-			hasDst:    true,
-			wantLevel: darwinSocketLocalMatch,
-		},
-		{
-			name:      "remote match with different local",
-			local:     otherLocal,
-			remote:    dst,
-			hasDst:    true,
-			wantLevel: darwinSocketRemoteMatch,
-		},
-		{
-			name:      "port only with destination",
-			local:     otherLocal,
-			remote:    otherRemote,
-			hasDst:    true,
-			wantLevel: darwinSocketPortMatch,
-		},
-		{
-			name:      "different local without destination",
-			local:     otherLocal,
-			remote:    otherRemote,
-			hasDst:    false,
-			wantLevel: darwinSocketNoMatch,
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			info := newDarwinSocketInfo("tcp", test.local, 12345, test.remote, 443)
-			level := darwinSocketInfoMatchLevel(info, "tcp", src, 12345, dst, 443, test.hasDst)
-			if level != test.wantLevel {
-				t.Fatalf("unexpected match level: got %d, want %d", level, test.wantLevel)
-			}
-		})
-	}
-}
-
-func TestDarwinSocketInfoMatchLevelIPv4Mapped(t *testing.T) {
-	src := netip.MustParseAddr("127.0.0.1")
-	dst := netip.MustParseAddr("203.0.113.10")
-	info := newDarwinSocketInfo("tcp", src, 12345, dst, 443)
-	writeDarwinNativeUint32(info, darwinSocketInfoFamilyOff, uint32(unix.AF_INET6))
-
-	level := darwinSocketInfoMatchLevel(info, "tcp", src, 12345, dst, 443, true)
-	if level != darwinSocketExactMatch {
-		t.Fatalf("unexpected match level: got %d, want %d", level, darwinSocketExactMatch)
-	}
-}
-
-func newDarwinSocketInfo(network string, local netip.Addr, localPort uint16, remote netip.Addr, remotePort uint16) []byte {
-	info := make([]byte, darwinSocketFDInfoSize)
-	switch network {
-	case "tcp":
-		writeDarwinNativeUint32(info, darwinSocketInfoProtoOff, uint32(unix.IPPROTO_TCP))
-		writeDarwinNativeUint32(info, darwinSocketInfoKindOff, uint32(darwinSockInfoTCP))
-	case "udp":
-		writeDarwinNativeUint32(info, darwinSocketInfoProtoOff, uint32(unix.IPPROTO_UDP))
-		writeDarwinNativeUint32(info, darwinSocketInfoKindOff, uint32(darwinSockInfoIN))
-	}
-	writeDarwinNativeUint32(info, darwinSocketInfoFamilyOff, uint32(unix.AF_INET))
-	info[darwinInSockInfoVFlagOff] = darwinInSockInfoIPv4
-	writeDarwinNativeUint32(info, darwinInSockInfoLPortOff, uint32(localPort))
-	writeDarwinNativeUint32(info, darwinInSockInfoFPortOff, uint32(remotePort))
-	copyDarwinIPv4(info[darwinInSockInfoLAddrOff:darwinInSockInfoLAddrOff+16], local)
-	copyDarwinIPv4(info[darwinInSockInfoFAddrOff:darwinInSockInfoFAddrOff+16], remote)
-	return info
-}
-
-func writeDarwinNativeUint32(b []byte, offset int, value uint32) {
-	*(*uint32)(unsafe.Pointer(&b[offset])) = value
-}
-
-func copyDarwinIPv4(dst []byte, addr netip.Addr) {
-	ip := addr.As4()
-	copy(dst[12:16], ip[:])
-}
@@ -1,11 +0,0 @@
-//go:build ios
-
-package net
-
-import (
-	"github.com/xtls/xray-core/common/errors"
-)
-
-func FindProcess(network, srcIP string, srcPort uint16, destIP string, destPort uint16) (int, string, string, error) {
-	return 0, "", "", errors.New("process lookup is not supported on this platform")
-}
@@ -1,4 +1,4 @@
-//go:build !windows && !linux && !android && !darwin
+//go:build !windows && !linux && !android

 package net

@@ -1,40 +0,0 @@
-package platform
-
-import (
-	"errors"
-	"sync"
-)
-
-var envReloadRegistry = struct {
-	sync.RWMutex
-	handlers []func() error
-}{}
-
-// RegisterEnvReload registers an environment reload handler and runs it once
-// immediately so package defaults keep the same behavior as init-time reads.
-func RegisterEnvReload(handler func() error) {
-	if handler == nil {
-		return
-	}
-	envReloadRegistry.Lock()
-	envReloadRegistry.handlers = append(envReloadRegistry.handlers, handler)
-	envReloadRegistry.Unlock()
-	if err := handler(); err != nil {
-		panic(err)
-	}
-}
-
-// ReloadEnvSettings refreshes all registered environment-backed package state.
-func ReloadEnvSettings() error {
-	envReloadRegistry.RLock()
-	handlers := append([]func() error{}, envReloadRegistry.handlers...)
-	envReloadRegistry.RUnlock()
-
-	var errs []error
-	for _, handler := range handlers {
-		if err := handler(); err != nil {
-			errs = append(errs, err)
-		}
-	}
-	return errors.Join(errs...)
-}
@@ -3,8 +3,11 @@ package bittorrent
 import (
 	"encoding/binary"
 	"errors"
+	"math"
+	"time"

 	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/buf"
 )

 type SniffHeader struct{}
@@ -36,44 +39,50 @@ func SniffUTP(b []byte) (*SniffHeader, error) {
 		return nil, common.ErrNoClue
 	}

-	// type 4 (ST_SYN), version 1
-	if b[0] != 0x41 {
+	buffer := buf.FromBytes(b)
+
+	var typeAndVersion uint8
+
+	if binary.Read(buffer, binary.BigEndian, &typeAndVersion) != nil {
+		return nil, common.ErrNoClue
+	} else if b[0]>>4&0xF > 4 || b[0]&0xF != 1 {
 		return nil, errNotBittorrent
 	}

-	// timestamp_difference is always 0 in new connections
-	if binary.BigEndian.Uint32(b[8:12]) != 0 {
+	var extension uint8
+
+	if binary.Read(buffer, binary.BigEndian, &extension) != nil {
+		return nil, common.ErrNoClue
+	} else if extension != 0 && extension != 1 {
 		return nil, errNotBittorrent
 	}

-	// Walk the extension chain. Selective ack (1) and extension bits (2)
-	extension, offset := b[1], 20
 	for extension != 0 {
-		if len(b) < offset+2 {
+		if extension != 1 {
 			return nil, errNotBittorrent
 		}
-		length := int(b[offset+1])
-		switch extension {
-		case 1: // selective ack
-			if length < 4 || length%4 != 0 {
-				return nil, errNotBittorrent
-			}
-		case 2: // extension bits: fixed 8 bytes, sent in ST_SYN by µTorrent
-			if length != 8 {
-				return nil, errNotBittorrent
-			}
-		default:
-			return nil, errNotBittorrent
+		if binary.Read(buffer, binary.BigEndian, &extension) != nil {
+			return nil, common.ErrNoClue
 		}
-		if len(b) < offset+2+length {
-			return nil, errNotBittorrent
+
+		var length uint8
+		if err := binary.Read(buffer, binary.BigEndian, &length); err != nil {
+			return nil, common.ErrNoClue
+		}
+		if common.Error2(buffer.ReadBytes(int32(length))) != nil {
+			return nil, common.ErrNoClue
 		}
-		extension = b[offset]
-		offset += 2 + length
 	}

-	// extensions should consume all ST_SYN payload
-	if len(b) != offset {
+	if common.Error2(buffer.ReadBytes(2)) != nil {
+		return nil, common.ErrNoClue
+	}
+
+	var timestamp uint32
+	if err := binary.Read(buffer, binary.BigEndian, &timestamp); err != nil {
+		return nil, common.ErrNoClue
+	}
+	if math.Abs(float64(time.Now().UnixMicro()-int64(timestamp))) > float64(24*time.Hour) {
 		return nil, errNotBittorrent
 	}

@@ -1,67 +0,0 @@
-package bittorrent
-
-import (
-	"encoding/binary"
-	"testing"
-
-	"github.com/xtls/xray-core/common"
-)
-
-// utpPacket builds the fixed 20-byte header defined by BEP 29.
-func utpPacket(packetType, extension byte, tsDiff uint32, payload ...byte) []byte {
-	b := make([]byte, 20)
-	b[0] = packetType<<4 | 1
-	b[1] = extension
-	binary.BigEndian.PutUint16(b[2:4], 0x4a3f)     // connection_id, random
-	binary.BigEndian.PutUint32(b[4:8], 0x8c3a91d2) // timestamp_microseconds, sender's clock
-	binary.BigEndian.PutUint32(b[8:12], tsDiff)
-	binary.BigEndian.PutUint32(b[12:16], 0x00100000) // wnd_size
-	binary.BigEndian.PutUint16(b[16:18], 0x71ee)     // seq_nr, random in libutp/libtorrent
-	binary.BigEndian.PutUint16(b[18:20], 0x0000)     // ack_nr
-	return append(b, payload...)
-}
-
-func TestSniffUTP(t *testing.T) {
-	selectiveAck := []byte{0, 4, 0xff, 0x00, 0xff, 0x00}
-	wrongVersion := utpPacket(4, 0, 0)
-	wrongVersion[0] = 4<<4 | 2
-
-	cases := []struct {
-		name    string
-		payload []byte
-		err     error
-	}{
-		{"syn", utpPacket(4, 0, 0), nil},
-		{"syn with selective ack", append(utpPacket(4, 1, 0), selectiveAck...), nil},
-		{"syn with extension bits", append(utpPacket(4, 2, 0), 0, 8, 1, 2, 3, 4, 5, 6, 7, 8), nil},
-		{"extension bits with wrong length", append(utpPacket(4, 2, 0), 0, 4, 1, 2, 3, 4), errNotBittorrent},
-		{"syn with nonzero timestamp_difference", utpPacket(4, 0, 0x1234), errNotBittorrent},
-		{"syn with trailing payload", utpPacket(4, 0, 0, 'x'), errNotBittorrent},
-		// txid 0x4100, no EDNS0: the worst case colliding with the uTP header
-		{"dns query", []byte{
-			0x41, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x01, 'a', 0x02, 'c', 'o', 0x00, 0x00, 0x01, 0x00, 0x01,
-		}, errNotBittorrent},
-		{"established connection packets", utpPacket(0, 0, 0x5678, 'x', 'y', 'z'), errNotBittorrent},
-		{"state", utpPacket(2, 0, 0x5678), errNotBittorrent},
-		{"fin", utpPacket(1, 0, 0x5678), errNotBittorrent},
-		{"wrong version", wrongVersion, errNotBittorrent},
-		{"unknown packet type", utpPacket(5, 0, 0), errNotBittorrent},
-		{"unknown extension", utpPacket(4, 2, 0), errNotBittorrent},
-		{"extension chain past the datagram", utpPacket(4, 1, 0, 0, 8, 0xff), errNotBittorrent},
-		{"selective ack not in multiples of 4", append(utpPacket(4, 1, 0), 0, 3, 0xff, 0x00, 0xff), errNotBittorrent},
-		{"shorter than the header", utpPacket(4, 0, 0)[:19], common.ErrNoClue},
-	}
-
-	for _, c := range cases {
-		t.Run(c.name, func(t *testing.T) {
-			h, err := SniffUTP(c.payload)
-			if err != c.err {
-				t.Fatalf("expected error %v, got %v", c.err, err)
-			}
-			if err == nil && h == nil {
-				t.Fatal("expected a sniff header, got nil")
-			}
-		})
-	}
-}
@@ -28,6 +28,8 @@ const (
 	SecurityType_AUTO              SecurityType = 2
 	SecurityType_AES128_GCM        SecurityType = 3
 	SecurityType_CHACHA20_POLY1305 SecurityType = 4
+	SecurityType_NONE              SecurityType = 5 // [DEPRECATED 2023-06]
+	SecurityType_ZERO              SecurityType = 6
 )

 // Enum value maps for SecurityType.
@@ -37,12 +39,16 @@ var (
 		2: "AUTO",
 		3: "AES128_GCM",
 		4: "CHACHA20_POLY1305",
+		5: "NONE",
+		6: "ZERO",
 	}
 	SecurityType_value = map[string]int32{
 		"UNKNOWN":           0,
 		"AUTO":              2,
 		"AES128_GCM":        3,
 		"CHACHA20_POLY1305": 4,
+		"NONE":              5,
+		"ZERO":              6,
 	}
 )

@@ -123,13 +129,15 @@ const file_common_protocol_headers_proto_rawDesc = "" +
 	"\n" +
 	"\x1dcommon/protocol/headers.proto\x12\x14xray.common.protocol\"H\n" +
 	"\x0eSecurityConfig\x126\n" +
-	"\x04type\x18\x01 \x01(\x0e2\".xray.common.protocol.SecurityTypeR\x04type*L\n" +
+	"\x04type\x18\x01 \x01(\x0e2\".xray.common.protocol.SecurityTypeR\x04type*`\n" +
 	"\fSecurityType\x12\v\n" +
 	"\aUNKNOWN\x10\x00\x12\b\n" +
 	"\x04AUTO\x10\x02\x12\x0e\n" +
 	"\n" +
 	"AES128_GCM\x10\x03\x12\x15\n" +
-	"\x11CHACHA20_POLY1305\x10\x04B^\n" +
+	"\x11CHACHA20_POLY1305\x10\x04\x12\b\n" +
+	"\x04NONE\x10\x05\x12\b\n" +
+	"\x04ZERO\x10\x06B^\n" +
 	"\x18com.xray.common.protocolP\x01Z)github.com/xtls/xray-core/common/protocol\xaa\x02\x14Xray.Common.Protocolb\x06proto3"

 var (
@@ -11,6 +11,8 @@ enum SecurityType {
  AUTO = 2;
  AES128_GCM = 3;
  CHACHA20_POLY1305 = 4;
+  NONE = 5; // [DEPRECATED 2023-06] 
+  ZERO = 6;
 }

 message SecurityConfig {
@@ -1,41 +1,25 @@
 package http

 import (
-	"context"
 	"net/http"
 	"strconv"
 	"strings"

-	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 )

-// ApplyTrustedXForwardedFor returns remoteAddr overridden by X-Forwarded-For only when a configured trusted header is present.
-func ApplyTrustedXForwardedFor(header http.Header, trusted []string, remoteAddr net.Addr) net.Addr {
-	value := header.Get("X-Forwarded-For")
-	if value == "" {
-		return remoteAddr
+// ParseXForwardedFor parses X-Forwarded-For header in http headers, and return the IP list in it.
+func ParseXForwardedFor(header http.Header) []net.Address {
+	xff := header.Get("X-Forwarded-For")
+	if xff == "" {
+		return nil
 	}
-	for _, t := range trusted {
-		if len(header.Values(t)) > 0 {
-			if idx := strings.IndexByte(value, ','); idx >= 0 {
-				value = value[:idx]
-			}
-			if addr := net.ParseAddress(value); addr.Family().IsIP() {
-				return &net.TCPAddr{
-					IP:   addr.IP(),
-					Port: 0,
-				}
-			}
-			return remoteAddr
-		}
+	list := strings.Split(xff, ",")
+	addrs := make([]net.Address, 0, len(list))
+	for _, proxy := range list {
+		addrs = append(addrs, net.ParseAddress(proxy))
 	}
-	if len(trusted) == 0 {
-		errors.LogWarning(context.Background(), `received "X-Forwarded-For" from `, remoteAddr, ` but "sockopt.trustedXForwardedFor" is not configured; ignoring it and using the real remote address`)
-	} else {
-		errors.LogError(context.Background(), `ignored potentially forged "X-Forwarded-For" from `, remoteAddr, `: `, value)
-	}
-	return remoteAddr
+	return addrs
 }

 // RemoveHopByHopHeaders removes hop by hop headers in http header list.
@@ -2,48 +2,23 @@ package http_test

 import (
 	"bufio"
-	gonet "net"
 	"net/http"
 	"strings"
 	"testing"

+	"github.com/google/go-cmp/cmp"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
 	. "github.com/xtls/xray-core/common/protocol/http"
 )

-func TestApplyTrustedXForwardedFor(t *testing.T) {
-	remoteAddr := &gonet.TCPAddr{IP: gonet.ParseIP("127.0.0.1"), Port: 12345}
-
-	t.Run("ignore X-Forwarded-For without trusted header", func(t *testing.T) {
-		header := http.Header{}
-		header.Add("X-Forwarded-For", "129.78.138.66, 129.78.64.103")
-
-		if addr := ApplyTrustedXForwardedFor(header, nil, remoteAddr); addr != remoteAddr {
-			t.Fatalf("unexpected remote address: %v", addr)
-		}
-	})
-
-	t.Run("trust X-Forwarded-For", func(t *testing.T) {
-		header := http.Header{}
-		header.Add("X-Forwarded-For", "129.78.138.66, 129.78.64.103")
-		header.Add("X-Trusted-CDN", "")
-
-		addr := ApplyTrustedXForwardedFor(header, []string{"X-Trusted-CDN"}, remoteAddr)
-		if addr.String() != "129.78.138.66:0" {
-			t.Fatalf("unexpected remote address: %v", addr)
-		}
-	})
-
-	t.Run("ignore non-IP X-Forwarded-For", func(t *testing.T) {
-		header := http.Header{}
-		header.Add("X-Forwarded-For", "example.com")
-		header.Add("X-Trusted-CDN", "")
-
-		if addr := ApplyTrustedXForwardedFor(header, []string{"X-Trusted-CDN"}, remoteAddr); addr != remoteAddr {
-			t.Fatalf("unexpected remote address: %v", addr)
-		}
-	})
+func TestParseXForwardedFor(t *testing.T) {
+	header := http.Header{}
+	header.Add("X-Forwarded-For", "129.78.138.66, 129.78.64.103")
+	addrs := ParseXForwardedFor(header)
+	if r := cmp.Diff(addrs, []net.Address{net.ParseAddress("129.78.138.66"), net.ParseAddress("129.78.64.103")}); r != "" {
+		t.Error(r)
+	}
 }

 func TestHopByHopHeadersRemoving(t *testing.T) {
@@ -1,10 +1,18 @@
 package quic

 import (
+	"crypto"
 	"crypto/cipher"
 	_ "crypto/tls"
 	_ "unsafe"
 )

+type CipherSuiteTLS13 struct {
+	ID     uint16
+	KeyLen int
+	AEAD   func(key, fixedNonce []byte) cipher.AEAD
+	Hash   crypto.Hash
+}
+
 //go:linkname AEADAESGCMTLS13 crypto/tls.aeadAESGCMTLS13
 func AEADAESGCMTLS13(key, nonceMask []byte) cipher.AEAD
@@ -3,6 +3,7 @@ package quic
 import (
 	"crypto"
 	"crypto/aes"
+	"crypto/tls"
 	"encoding/binary"
 	"io"

@@ -27,43 +28,22 @@ func (s SniffHeader) Domain() string {
 	return s.domain
 }

-var (
-	errNotQUIC        = errors.New("not quic")
-	errNotQUICInitial = errors.New("not initial packet")
+const (
+	versionDraft29 uint32 = 0xff00001d
+	version1       uint32 = 0x1
 )

-type quicVersionSpec struct {
-	ver         uint32
-	typeInitial byte
-	initialSalt []byte
-	labelPrefix string
-}
-
 var (
-	quicDraft29 = quicVersionSpec{
-		ver:         0xff00001d,
-		typeInitial: 0b00,
-		initialSalt: []byte{0xaf, 0xbf, 0xec, 0x28, 0x99, 0x93, 0xd2, 0x4c, 0x9e, 0x97, 0x86, 0xf1, 0x9c, 0x61, 0x11, 0xe0, 0x43, 0x90, 0xa8, 0x99},
-		labelPrefix: "quic",
-	}
-	quicV1 = quicVersionSpec{
-		ver:         0x1,
-		typeInitial: 0b00,
-		initialSalt: []byte{0x38, 0x76, 0x2c, 0xf7, 0xf5, 0x59, 0x34, 0xb3, 0x4d, 0x17, 0x9a, 0xe6, 0xa4, 0xc8, 0x0c, 0xad, 0xcc, 0xbb, 0x7f, 0x0a},
-		labelPrefix: "quic",
-	}
-	quicV2 = quicVersionSpec{
-		ver:         0x6b3343cf,
-		typeInitial: 0b01,
-		initialSalt: []byte{0x0d, 0xed, 0xe3, 0xde, 0xf7, 0x00, 0xa6, 0xdb, 0x81, 0x93, 0x81, 0xbe, 0x6e, 0x26, 0x9d, 0xcb, 0xf9, 0xbd, 0x2e, 0xd9},
-		labelPrefix: "quicv2",
-	}
-
-	quicVersionSpecMap = map[uint32]*quicVersionSpec{
-		quicDraft29.ver: &quicDraft29,
-		quicV1.ver:      &quicV1,
-		quicV2.ver:      &quicV2,
+	quicSaltOld  = []byte{0xaf, 0xbf, 0xec, 0x28, 0x99, 0x93, 0xd2, 0x4c, 0x9e, 0x97, 0x86, 0xf1, 0x9c, 0x61, 0x11, 0xe0, 0x43, 0x90, 0xa8, 0x99}
+	quicSalt     = []byte{0x38, 0x76, 0x2c, 0xf7, 0xf5, 0x59, 0x34, 0xb3, 0x4d, 0x17, 0x9a, 0xe6, 0xa4, 0xc8, 0x0c, 0xad, 0xcc, 0xbb, 0x7f, 0x0a}
+	initialSuite = &CipherSuiteTLS13{
+		ID:     tls.TLS_AES_128_GCM_SHA256,
+		KeyLen: 16,
+		AEAD:   AEADAESGCMTLS13,
+		Hash:   crypto.SHA256,
 	}
+	errNotQuic        = errors.New("not quic")
+	errNotQuicInitial = errors.New("not initial packet")
 )

 func SniffQUIC(b []byte) (*SniffHeader, error) {
@@ -83,61 +63,60 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		buffer := buf.FromBytes(b)
 		typeByte, err := buffer.ReadByte()
 		if err != nil {
-			return nil, errNotQUIC
+			return nil, errNotQuic
 		}

 		isLongHeader := typeByte&0x80 > 0
 		if !isLongHeader || typeByte&0x40 == 0 {
-			return nil, errNotQUICInitial
+			return nil, errNotQuicInitial
 		}

 		vb, err := buffer.ReadBytes(4)
 		if err != nil {
-			return nil, errNotQUIC
+			return nil, errNotQuic
 		}

 		versionNumber := binary.BigEndian.Uint32(vb)
-		var s *quicVersionSpec
-		if v, ok := quicVersionSpecMap[versionNumber]; ok {
-			s = v
-		} else {
-			return nil, errNotQUIC
-		}
-
-		var destConnID []byte
-		if l, err := buffer.ReadByte(); err != nil {
-			return nil, errNotQUIC
-		} else if destConnID, err = buffer.ReadBytes(int32(l)); err != nil {
-			return nil, errNotQUIC
-		}
-
-		if l, err := buffer.ReadByte(); err != nil {
-			return nil, errNotQUIC
-		} else if common.Error2(buffer.ReadBytes(int32(l))) != nil {
-			return nil, errNotQUIC
+		if versionNumber != 0 && typeByte&0x40 == 0 {
+			return nil, errNotQuic
+		} else if versionNumber != versionDraft29 && versionNumber != version1 {
+			return nil, errNotQuic
 		}

 		packetType := (typeByte & 0x30) >> 4
-		isQUICInitial := packetType == s.typeInitial
+		isQuicInitial := packetType == 0x0

-		if isQUICInitial { // Only initial packets have token, see https://datatracker.ietf.org/doc/html/rfc9000#section-17.2.2
-			tokenLen, err := readShortQUICVarint(buffer)
+		var destConnID []byte
+		if l, err := buffer.ReadByte(); err != nil {
+			return nil, errNotQuic
+		} else if destConnID, err = buffer.ReadBytes(int32(l)); err != nil {
+			return nil, errNotQuic
+		}
+
+		if l, err := buffer.ReadByte(); err != nil {
+			return nil, errNotQuic
+		} else if common.Error2(buffer.ReadBytes(int32(l))) != nil {
+			return nil, errNotQuic
+		}
+
+		if isQuicInitial { // Only initial packets have token, see https://datatracker.ietf.org/doc/html/rfc9000#section-17.2.2
+			tokenLen, err := readShortQuicVarint(buffer)
 			if err != nil || tokenLen > int32(len(b)) {
-				return nil, errNotQUIC
+				return nil, errNotQuic
 			}

 			if _, err = buffer.ReadBytes(tokenLen); err != nil {
-				return nil, errNotQUIC
+				return nil, errNotQuic
 			}
 		}

-		packetLen, err := readShortQUICVarint(buffer)
+		packetLen, err := readShortQuicVarint(buffer)
 		if err != nil {
-			return nil, errNotQUIC
+			return nil, errNotQuic
 		}
 		// packetLen is impossible to be shorter than this
 		if packetLen < 4 {
-			return nil, errNotQUIC
+			return nil, errNotQuic
 		}

 		hdrLen := len(b) - int(buffer.Len())
@@ -146,23 +125,25 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		}

 		restPayload := b[hdrLen+int(packetLen):]
-		if !isQUICInitial { // Skip this packet if it's not initial packet
+		if !isQuicInitial { // Skip this packet if it's not initial packet
 			b = restPayload
 			continue
 		}

-		salt := s.initialSalt
-		label := s.labelPrefix
+		var salt []byte
+		if versionNumber == version1 {
+			salt = quicSalt
+		} else {
+			salt = quicSaltOld
+		}
 		initialSecret := hkdf.Extract(crypto.SHA256.New, destConnID, salt)
-		secret := hkdfExpandLabel(initialSecret, "client in", crypto.SHA256.Size())
-		hpKey := hkdfExpandLabel(secret, label+" hp", 16)
+		secret := hkdfExpandLabel(crypto.SHA256, initialSecret, []byte{}, "client in", crypto.SHA256.Size())
+		hpKey := hkdfExpandLabel(initialSuite.Hash, secret, []byte{}, "quic hp", initialSuite.KeyLen)
 		block, err := aes.NewCipher(hpKey)
 		if err != nil {
 			return nil, err
 		}
-		if len(b) < hdrLen+4+block.BlockSize() {
-			return nil, errNotQUIC
-		}
+
 		cache.Clear()
 		mask := cache.Extend(int32(block.BlockSize()))
 		block.Encrypt(mask, b[hdrLen+4:hdrLen+4+len(mask)])
@@ -172,8 +153,8 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 			b[hdrLen+i] ^= mask[i+1]
 		}

-		key := hkdfExpandLabel(secret, label+" key", 16)
-		iv := hkdfExpandLabel(secret, label+" iv", 12)
+		key := hkdfExpandLabel(crypto.SHA256, secret, []byte{}, "quic key", 16)
+		iv := hkdfExpandLabel(crypto.SHA256, secret, []byte{}, "quic iv", 12)
 		cipher := AEADAESGCMTLS13(key, iv)

 		nonce := cache.Extend(int32(cipher.NonceSize()))
@@ -198,44 +179,44 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 			case 0x00: // PADDING frame
 			case 0x01: // PING frame
 			case 0x02, 0x03: // ACK frame
-				if _, err = readShortQUICVarint(buffer); err != nil { // Field: Largest Acknowledged
+				if _, err = readShortQuicVarint(buffer); err != nil { // Field: Largest Acknowledged
 					return nil, io.ErrUnexpectedEOF
 				}
-				if _, err = readShortQUICVarint(buffer); err != nil { // Field: ACK Delay
+				if _, err = readShortQuicVarint(buffer); err != nil { // Field: ACK Delay
 					return nil, io.ErrUnexpectedEOF
 				}
-				ackRangeCount, err := readShortQUICVarint(buffer) // Field: ACK Range Count
+				ackRangeCount, err := readShortQuicVarint(buffer) // Field: ACK Range Count
 				if err != nil {
 					return nil, io.ErrUnexpectedEOF
 				}
-				if _, err = readShortQUICVarint(buffer); err != nil { // Field: First ACK Range
+				if _, err = readShortQuicVarint(buffer); err != nil { // Field: First ACK Range
 					return nil, io.ErrUnexpectedEOF
 				}
 				for i := 0; i < int(ackRangeCount); i++ { // Field: ACK Range
-					if _, err = readShortQUICVarint(buffer); err != nil { // Field: ACK Range -> Gap
+					if _, err = readShortQuicVarint(buffer); err != nil { // Field: ACK Range -> Gap
 						return nil, io.ErrUnexpectedEOF
 					}
-					if _, err = readShortQUICVarint(buffer); err != nil { // Field: ACK Range -> ACK Range Length
+					if _, err = readShortQuicVarint(buffer); err != nil { // Field: ACK Range -> ACK Range Length
 						return nil, io.ErrUnexpectedEOF
 					}
 				}
 				if frameType == 0x03 {
-					if _, err = readShortQUICVarint(buffer); err != nil { // Field: ECN Counts -> ECT0 Count
+					if _, err = readShortQuicVarint(buffer); err != nil { // Field: ECN Counts -> ECT0 Count
 						return nil, io.ErrUnexpectedEOF
 					}
-					if _, err = readShortQUICVarint(buffer); err != nil { // Field: ECN Counts -> ECT1 Count
+					if _, err = readShortQuicVarint(buffer); err != nil { // Field: ECN Counts -> ECT1 Count
 						return nil, io.ErrUnexpectedEOF
 					}
-					if _, err = readShortQUICVarint(buffer); err != nil { //nolint:misspell // Field: ECN Counts -> ECT-CE Count
+					if _, err = readShortQuicVarint(buffer); err != nil { //nolint:misspell // Field: ECN Counts -> ECT-CE Count
 						return nil, io.ErrUnexpectedEOF
 					}
 				}
 			case 0x06: // CRYPTO frame, we will use this frame
-				offset, err := readShortQUICVarint(buffer) // Field: Offset
+				offset, err := readShortQuicVarint(buffer) // Field: Offset
 				if err != nil {
 					return nil, io.ErrUnexpectedEOF
 				}
-				length, err := readShortQUICVarint(buffer) // Field: Length
+				length, err := readShortQuicVarint(buffer) // Field: Length
 				if err != nil || length > buffer.Len() {
 					return nil, io.ErrUnexpectedEOF
 				}
@@ -251,13 +232,13 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 					return nil, io.ErrUnexpectedEOF
 				}
 			case 0x1c: // CONNECTION_CLOSE frame, only 0x1c is permitted in initial packet
-				if _, err = readShortQUICVarint(buffer); err != nil { // Field: Error Code
+				if _, err = readShortQuicVarint(buffer); err != nil { // Field: Error Code
 					return nil, io.ErrUnexpectedEOF
 				}
-				if _, err = readShortQUICVarint(buffer); err != nil { // Field: Frame Type
+				if _, err = readShortQuicVarint(buffer); err != nil { // Field: Frame Type
 					return nil, io.ErrUnexpectedEOF
 				}
-				length, err := readShortQUICVarint(buffer) // Field: Reason Phrase Length
+				length, err := readShortQuicVarint(buffer) // Field: Reason Phrase Length
 				if err != nil {
 					return nil, io.ErrUnexpectedEOF
 				}
@@ -267,7 +248,7 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 			default:
 				// Only above frame types are permitted in initial packet.
 				// See https://www.rfc-editor.org/rfc/rfc9000.html#section-17.2.2-8
-				return nil, errNotQUICInitial
+				return nil, errNotQuicInitial
 			}
 		}

@@ -285,33 +266,35 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 	return nil, protocol.ErrProtoNeedMoreData
 }

-func hkdfExpandLabel(secret []byte, label string, length int) []byte {
-	b := make([]byte, 0, 2+1+6+len(label)+1)
-	b = binary.BigEndian.AppendUint16(b, uint16(length))
-	b = append(b, byte(6+len(label)))
-	b = append(b, "tls13 "...)
-	b = append(b, label...)
-	b = append(b, 0) // context
+func hkdfExpandLabel(hash crypto.Hash, secret, context []byte, label string, length int) []byte {
+	b := make([]byte, 3, 3+6+len(label)+1+len(context))
+	binary.BigEndian.PutUint16(b, uint16(length))
+	b[2] = uint8(6 + len(label))
+	b = append(b, []byte("tls13 ")...)
+	b = append(b, []byte(label)...)
+	b = b[:3+6+len(label)+1]
+	b[3+6+len(label)] = uint8(len(context))
+	b = append(b, context...)

 	out := make([]byte, length)
-	n, err := hkdf.Expand(crypto.SHA256.New, secret, b).Read(out)
+	n, err := hkdf.Expand(hash.New, secret, b).Read(out)
 	if err != nil || n != length {
 		panic("quic: HKDF-Expand-Label invocation failed unexpectedly")
 	}
 	return out
 }

-// readShortQUICVarint wraps quicvarint.Read with a max limit for length related fields.
+// readShortQuicVarint wraps quicvarint.Read with a max limit for length related fields.
 // we only handle QUIC Initial so these numbers should not exceed 65535
 // returns int32 to reduce type conversion
-func readShortQUICVarint(reader io.ByteReader) (int32, error) {
+func readShortQuicVarint(reader io.ByteReader) (int32, error) {
 	v, err := quicvarint.Read(reader)
 	if err != nil {
 		return 0, err
 	}
 	if v > 65535 {
 		// not used(
-		return 0, errNotQUICInitial
+		return 0, errNotQuicInitial
 	}
 	return int32(v), nil
 }
@@ -82,6 +82,12 @@ func KeyUsage(usage x509.KeyUsage) Option {
 	}
 }

+func ExtKeyUsage(usage []x509.ExtKeyUsage) Option {
+	return func(c *x509.Certificate) {
+		c.ExtKeyUsage = usage
+	}
+}
+
 func Organization(org string) Option {
 	return func(c *x509.Certificate) {
 		c.Subject.Organization = []string{org}
@@ -207,7 +207,6 @@ func getConfig() string {
      "tag": "XHTTP_IN",
      "streamSettings": {
        "network": "xhttp",
-		"security": "tls",
        "xhttpSettings": {
          "host": "bing.com",
          "path": "/xhttp_client_upload",
@@ -26,8 +26,6 @@ const (
 	fullHandlerKey            ctx.SessionKey = 10 // outbound gets full handler
 	mitmAlpn11Key             ctx.SessionKey = 11 // used by TLS dialer
 	mitmServerNameKey         ctx.SessionKey = 12 // used by TLS dialer
-
-	streamSettingsKey ctx.SessionKey = 13
 )

 func ContextWithInbound(ctx context.Context, inbound *Inbound) context.Context {
@@ -194,11 +192,3 @@ func MitmServerNameFromContext(ctx context.Context) string {
 	}
 	return ""
 }
-
-func ContextWithStreamSettings(ctx context.Context, streamSettings any) context.Context {
-	return context.WithValue(ctx, streamSettingsKey, streamSettings)
-}
-
-func StreamSettingsFromContext(ctx context.Context) any {
-	return ctx.Value(streamSettingsKey)
-}
@@ -70,6 +70,8 @@ type Outbound struct {
 	Tag string
 	// Name of the outbound proxy that handles the connection.
 	Name string
+	// Unused. Conn is actually internet.Connection. May be nil. It is currently nil for outbound with proxySettings
+	Conn net.Conn
 	// CanSpliceCopy is a property for this connection
 	// 1 = can, 2 = after processing protocol info should be able to, 3 = cannot
 	CanSpliceCopy int
@@ -8,7 +8,7 @@ import (
 	"io"
 	"strconv"
 	"strings"
-	"sync/atomic"
+	"time"

 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
@@ -27,39 +27,25 @@ var AddrParser = protocol.NewAddressParser(
 )

 var (
-	Show    atomic.Bool
-	baseKey atomic.Value
+	Show    bool
+	BaseKey []byte
 )

-func reloadEnvSettings() error {
-	Show.Store(strings.ToLower(platform.NewEnvFlag(platform.XUDPLog).GetValue(func() string { return "" })) == "true")
-	raw := platform.NewEnvFlag(platform.XUDPBaseKey).GetValue(func() string { return "" })
-	if raw == "" {
-		ensureBaseKey()
-		return nil
-	}
-	key, _ := base64.RawURLEncoding.DecodeString(raw)
-	if len(key) != 32 {
-		return errors.New(platform.XUDPBaseKey + ": invalid value (BaseKey must be 32 bytes): " + raw + " len " + strconv.Itoa(len(key)))
-	}
-	baseKey.Store(append([]byte(nil), key...))
-	return nil
-}
-
-func ensureBaseKey() []byte {
-	if key := baseKey.Load(); key != nil {
-		return key.([]byte)
-	}
-	key := make([]byte, 32)
-	if _, err := rand.Read(key); err != nil {
-		panic(err)
-	}
-	baseKey.Store(key)
-	return key
-}
-
 func init() {
-	platform.RegisterEnvReload(reloadEnvSettings)
+	if strings.ToLower(platform.NewEnvFlag(platform.XUDPLog).GetValue(func() string { return "" })) == "true" {
+		Show = true
+	}
+	BaseKey = make([]byte, 32)
+	rand.Read(BaseKey)
+	go func() {
+		time.Sleep(100 * time.Millisecond) // this is not nice, but need to give some time for Android to setup ENV
+		if raw := platform.NewEnvFlag(platform.XUDPBaseKey).GetValue(func() string { return "" }); raw != "" {
+			if BaseKey, _ = base64.RawURLEncoding.DecodeString(raw); len(BaseKey) == 32 {
+				return
+			}
+			panic(platform.XUDPBaseKey + ": invalid value (BaseKey must be 32 bytes): " + raw + " len " + strconv.Itoa(len(BaseKey)))
+		}
+	}()
 }

 func GetGlobalID(ctx context.Context) (globalID [8]byte) {
@@ -68,10 +54,10 @@ func GetGlobalID(ctx context.Context) (globalID [8]byte) {
 	}
 	if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Source.Network == net.Network_UDP &&
 		(inbound.Name == "dokodemo-door" || inbound.Name == "socks" || inbound.Name == "shadowsocks" || inbound.Name == "tun") {
-		h := blake3.New(8, ensureBaseKey())
+		h := blake3.New(8, BaseKey)
 		h.Write([]byte(inbound.Source.String()))
 		copy(globalID[:], h.Sum(nil))
-		if Show.Load() {
+		if Show {
 			errors.LogInfo(ctx, fmt.Sprintf("XUDP inbound.Source.String(): %v\tglobalID: %v\n", inbound.Source.String(), globalID))
 		}
 	}
@@ -19,8 +19,8 @@ import (

 var (
 	Version_x byte = 26
-	Version_y byte = 9
-	Version_z byte = 9
+	Version_y byte = 6
+	Version_z byte = 1
 )

 var (
@@ -187,9 +187,6 @@ func NewWithContext(ctx context.Context, config *Config) (*Instance, error) {
 }

 func initInstanceWithConfig(config *Config, server *Instance) (bool, error) {
-	if err := platform.ReloadEnvSettings(); err != nil {
-		return true, errors.New("failed to reload environment settings").Base(err)
-	}
 	server.ctx = context.WithValue(server.ctx, "cone",
 		platform.NewEnvFlag(platform.UseCone).GetValue(func() string { return "" }) != "true")

@@ -3,7 +3,6 @@ package policy
 import (
 	"context"
 	"runtime"
-	"sync/atomic"
 	"time"

 	"github.com/xtls/xray-core/common/platform"
@@ -83,41 +82,32 @@ func ManagerType() interface{} {
 	return (*Manager)(nil)
 }

-var defaultBufferSize atomic.Int32
+var defaultBufferSize int32

-func reloadEnvSettings() error {
-	defaultBufferSize.Store(readDefaultBufferSize())
-	return nil
-}
-
-func readDefaultBufferSize() int32 {
+func init() {
 	const defaultValue = -17
 	size := platform.NewEnvFlag(platform.BufferSize).GetValueAsInt(defaultValue)

 	switch size {
 	case 0:
-		return -1 // For pipe to use unlimited size
+		defaultBufferSize = -1 // For pipe to use unlimited size
 	case defaultValue: // Env flag not defined. Use default values per CPU-arch.
 		switch runtime.GOARCH {
 		case "arm", "mips", "mipsle":
-			return 0
+			defaultBufferSize = 0
 		case "arm64", "mips64", "mips64le":
-			return 4 * 1024 // 4k cache for low-end devices
+			defaultBufferSize = 4 * 1024 // 4k cache for low-end devices
 		default:
-			return 512 * 1024
+			defaultBufferSize = 512 * 1024
 		}
 	default:
-		return int32(size) * 1024 * 1024
+		defaultBufferSize = int32(size) * 1024 * 1024
 	}
 }

-func init() {
-	platform.RegisterEnvReload(reloadEnvSettings)
-}
-
 func defaultBufferPolicy() Buffer {
 	return Buffer{
-		PerConnection: defaultBufferSize.Load(),
+		PerConnection: defaultBufferSize,
 	}
 }

@@ -8,8 +8,3 @@ type BalancerOverrider interface {
 type BalancerPrincipleTarget interface {
 	GetPrincipleTarget(tag string) ([]string, error)
 }
-
-// BalancerPicker return the outbound tag selected by the given balancer
-type BalancerPicker interface {
-	GetBalancerOutboundTag(balancerTag string) (string, error)
-}
@@ -81,8 +81,6 @@ type Manager interface {

 	// RegisterCounter registers a new counter to the manager. The identifier string must not be empty, and unique among other counters.
 	RegisterCounter(string) (Counter, error)
-	// GetOrRegisterCounter returns the counter by its identifier, atomically creating and registering it if absent.
-	GetOrRegisterCounter(string) (Counter, error)
 	// UnregisterCounter unregisters a counter from the manager by its identifier.
 	UnregisterCounter(string) error
 	// GetCounter returns a counter by its identifier.
@@ -93,8 +91,6 @@ type Manager interface {

 	// RegisterOnlineMap registers a new OnlineMap to the manager. The identifier string must not be empty, and unique among other OnlineMaps.
 	RegisterOnlineMap(string) (OnlineMap, error)
-	// GetOrRegisterOnlineMap returns the OnlineMap by its identifier, atomically creating and registering it if absent.
-	GetOrRegisterOnlineMap(string) (OnlineMap, error)
 	// UnregisterOnlineMap unregisters an OnlineMap from the manager by its identifier.
 	UnregisterOnlineMap(string) error
 	// GetOnlineMap returns an OnlineMap by its identifier.
@@ -105,8 +101,6 @@ type Manager interface {

 	// RegisterChannel registers a new channel to the manager. The identifier string must not be empty, and unique among other channels.
 	RegisterChannel(string) (Channel, error)
-	// GetOrRegisterChannel returns the channel by its identifier, atomically creating and registering it if absent.
-	GetOrRegisterChannel(string) (Channel, error)
 	// UnregisterChannel unregisters a channel from the manager by its identifier.
 	UnregisterChannel(string) error
 	// GetChannel returns a channel by its identifier.
@@ -116,6 +110,36 @@ type Manager interface {
 	GetAllOnlineUsers() []string
 }

+// GetOrRegisterCounter tries to get the StatCounter first. If not exist, it then tries to create a new counter.
+func GetOrRegisterCounter(m Manager, name string) (Counter, error) {
+	counter := m.GetCounter(name)
+	if counter != nil {
+		return counter, nil
+	}
+
+	return m.RegisterCounter(name)
+}
+
+// GetOrRegisterOnlineMap tries to get the OnlineMap first. If not exist, it then tries to create a new OnlineMap.
+func GetOrRegisterOnlineMap(m Manager, name string) (OnlineMap, error) {
+	onlineMap := m.GetOnlineMap(name)
+	if onlineMap != nil {
+		return onlineMap, nil
+	}
+
+	return m.RegisterOnlineMap(name)
+}
+
+// GetOrRegisterChannel tries to get the StatChannel first. If not exist, it then tries to create a new channel.
+func GetOrRegisterChannel(m Manager, name string) (Channel, error) {
+	channel := m.GetChannel(name)
+	if channel != nil {
+		return channel, nil
+	}
+
+	return m.RegisterChannel(name)
+}
+
 // ManagerType returns the type of Manager interface. Can be used to implement common.HasType.
 //
 // xray:api:stable
@@ -136,11 +160,6 @@ func (NoopManager) RegisterCounter(string) (Counter, error) {
 	return nil, errors.New("not implemented")
 }

-// GetOrRegisterCounter implements Manager.
-func (NoopManager) GetOrRegisterCounter(string) (Counter, error) {
-	return nil, errors.New("not implemented")
-}
-
 // UnregisterCounter implements Manager.
 func (NoopManager) UnregisterCounter(string) error {
 	return nil
@@ -159,11 +178,6 @@ func (NoopManager) RegisterOnlineMap(string) (OnlineMap, error) {
 	return nil, errors.New("not implemented")
 }

-// GetOrRegisterOnlineMap implements Manager.
-func (NoopManager) GetOrRegisterOnlineMap(string) (OnlineMap, error) {
-	return nil, errors.New("not implemented")
-}
-
 // UnregisterOnlineMap implements Manager.
 func (NoopManager) UnregisterOnlineMap(string) error {
 	return nil
@@ -182,11 +196,6 @@ func (NoopManager) RegisterChannel(string) (Channel, error) {
 	return nil, errors.New("not implemented")
 }

-// GetOrRegisterChannel implements Manager.
-func (NoopManager) GetOrRegisterChannel(string) (Channel, error) {
-	return nil, errors.New("not implemented")
-}
-
 // UnregisterChannel implements Manager.
 func (NoopManager) UnregisterChannel(string) error {
 	return nil
@@ -1,65 +1,61 @@
 module github.com/xtls/xray-core

-go 1.27
+go 1.26

 require (
-	github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e
-	github.com/cloudflare/circl v1.6.5
+	github.com/apernet/quic-go v0.59.1-0.20260425001925-6c6cc9bcb716
+	github.com/cloudflare/circl v1.6.3
 	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.7.0-rc.1
 	github.com/google/go-cmp v0.7.0
-	github.com/google/uuid v1.6.0
 	github.com/gorilla/websocket v1.5.3
-	github.com/klauspost/cpuid/v2 v2.4.0
-	github.com/libp2p/go-nat v1.0.1-0.20250821073202-01afc089f138
-	github.com/miekg/dns v1.1.73
+	github.com/klauspost/cpuid/v2 v2.3.0
+	github.com/miekg/dns v1.1.72
 	github.com/pelletier/go-toml v1.9.5
-	github.com/pion/stun/v3 v3.1.7
-	github.com/pires/go-proxyproto v0.15.0
+	github.com/pion/stun/v3 v3.1.2
+	github.com/pires/go-proxyproto v0.12.0
 	github.com/refraction-networking/utls v1.8.3-0.20260301010127-aa6edf4b11af
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/sagernet/sing v0.5.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
-	github.com/stretchr/testify v1.12.1
+	github.com/stretchr/testify v1.11.1
 	github.com/vishvananda/netlink v1.3.1
-	github.com/xtls/reality v0.0.0-20260908062103-8cdf7bf9c7f0
+	github.com/xtls/reality v0.0.0-20260322125925-9234c772ba8f
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.55.0
+	golang.org/x/crypto v0.51.0
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
-	golang.org/x/net v0.58.0
-	golang.org/x/sync v0.22.0
-	golang.org/x/sys v0.47.0
+	golang.org/x/net v0.55.0
+	golang.org/x/sync v0.20.0
+	golang.org/x/sys v0.45.0
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2
 	golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb
 	golang.zx2c4.com/wireguard/windows v1.0.1
-	google.golang.org/grpc v1.83.2
-	google.golang.org/protobuf v1.36.12
+	google.golang.org/grpc v1.81.1
+	google.golang.org/protobuf v1.36.11
 	gvisor.dev/gvisor v0.0.0-20260122175437-89a5d21be8f0
 	h12.io/socks v1.0.3
 	lukechampine.com/blake3 v1.4.1
-	mvdan.cc/gofumpt v0.12.0
 )

 require (
 	github.com/andybalholm/brotli v1.0.6 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/google/btree v1.1.2 // indirect
-	github.com/google/gopacket v1.1.19 // indirect
-	github.com/huin/goupnp v1.2.0 // indirect
-	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
 	github.com/juju/ratelimit v1.0.2 // indirect
 	github.com/klauspost/compress v1.17.4 // indirect
-	github.com/koron/go-ssdp v0.0.4 // indirect
-	github.com/libp2p/go-netroute v0.2.1 // indirect
-	github.com/pion/dtls/v3 v3.1.5 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/pion/dtls/v3 v3.1.2 // indirect
 	github.com/pion/logging v0.2.4 // indirect
-	github.com/pion/transport/v4 v4.1.0 // indirect
+	github.com/pion/transport/v4 v4.0.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/quic-go/qpack v0.6.0 // indirect
 	github.com/vishvananda/netns v0.0.5 // indirect
 	github.com/wlynxg/anet v0.0.5 // indirect
-	go.yaml.in/yaml/v3 v3.0.5 // indirect
-	golang.org/x/text v0.41.0 // indirect
-	golang.org/x/time v0.14.0 // indirect
-	golang.org/x/tools v0.49.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20260526163538-3dc84a4a5aaa // indirect
+	golang.org/x/mod v0.35.0 // indirect
+	golang.org/x/text v0.37.0 // indirect
+	golang.org/x/time v0.12.0 // indirect
+	golang.org/x/tools v0.44.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
@@ -1,19 +1,20 @@
 github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sxfOI=
 github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
-github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e h1:5mgtR5gwIgBKMiGI1QdXldZZ+SNor06Nbu1wCBulQBg=
-github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e/go.mod h1:x7qxEvX6MCVtDuBKHj3E+88+BtrbEMuAL5qGUKItjW8=
+github.com/apernet/quic-go v0.59.1-0.20260425001925-6c6cc9bcb716 h1:J1O+xpLuJWkdYbw5JPGwBqIHs2J8tiEP7Py9lPqkN2I=
+github.com/apernet/quic-go v0.59.1-0.20260425001925-6c6cc9bcb716/go.mod h1:Npbg8qBtAZlsAB3FWmqwlVh5jtVG6a4DlYsOylUpvzA=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cloudflare/circl v1.6.5 h1:O64F26HEqNhznd/hrC5KZXVKYuKM2rx4deZDTc4ihQA=
-github.com/cloudflare/circl v1.6.5/go.mod h1:h5LNyxAc5nTue9DS5jT+48en2PSDYt3zdGnz5OstK6c=
+github.com/cloudflare/circl v1.6.3 h1:9GPOhQGF9MCYUeXyMYlqTR6a5gTrgR/fBLXvUgtVcg8=
+github.com/cloudflare/circl v1.6.3/go.mod h1:2eXP6Qfat4O/Yhh8BznvKnJ+uzEoTQ6jVKJRn81BiS4=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344 h1:Arcl6UOIS/kgO2nW3A65HN+7CMjSDP/gofXL4CZt1V4=
 github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
 github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
 github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/go-quicktest/qt v1.102.0 h1:HSQxCeh5YZH3EL3W39ixjtyaEhcWSXQHtHnMBzSs474=
-github.com/go-quicktest/qt v1.102.0/go.mod h1:p4lGIVX+8Wa6ZPNDvqcxq36XpUDLh42FLetFU7odllI=
 github.com/golang/mock v1.7.0-rc.1 h1:YojYx61/OLFsiv6Rw1Z96LpldJIy31o+UHmwAUMJ6/U=
 github.com/golang/mock v1.7.0-rc.1/go.mod h1:s42URUywIqd+OcERslBJvOjepvNymP31m3q8d/GkuRs=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
@@ -22,111 +23,97 @@ github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU=
 github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF8=
-github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/h12w/go-socks5 v0.0.0-20200522160539-76189e178364 h1:5XxdakFhqd9dnXoAZy1Mb2R/DZ6D1e+0bGC/JhucGYI=
 github.com/h12w/go-socks5 v0.0.0-20200522160539-76189e178364/go.mod h1:eDJQioIyy4Yn3MVivT7rv/39gAJTrA7lgmYr8EW950c=
-github.com/huin/goupnp v1.2.0 h1:uOKW26NG1hsSSbXIZ1IR7XP9Gjd1U8pnLaCMgntmkmY=
-github.com/huin/goupnp v1.2.0/go.mod h1:gnGPsThkYa7bFi/KWmEysQRf48l2dvR5bxr2OFckNX8=
-github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
-github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/juju/ratelimit v1.0.2 h1:sRxmtRiajbvrcLQT7S+JbqU0ntsb9W2yhSdNN8tWfaI=
 github.com/juju/ratelimit v1.0.2/go.mod h1:qapgC/Gy+xNh9UxzV13HGGl/6UXNN+ct+vwSgWNm/qk=
 github.com/klauspost/compress v1.17.4 h1:Ej5ixsIri7BrIjBkRZLTo6ghwrEtHFk7ijlczPW4fZ4=
 github.com/klauspost/compress v1.17.4/go.mod h1:/dCuZOvVtNoHsyb+cuJD3itjs3NbnF6KH9zAO4BDxPM=
-github.com/klauspost/cpuid/v2 v2.4.0 h1:S6Hrbc7+ywsr0r+RLapfGBHfyefhCTwEh3A0tV913Dw=
-github.com/klauspost/cpuid/v2 v2.4.0/go.mod h1:19jmZ9mjzoF//ddRSUsv0zfBTJWh3QJh9FNxZTMrGxU=
-github.com/koron/go-ssdp v0.0.4 h1:1IDwrghSKYM7yLf7XCzbByg2sJ/JcNOZRXS2jczTwz0=
-github.com/koron/go-ssdp v0.0.4/go.mod h1:oDXq+E5IL5q0U8uSBcoAXzTzInwy5lEgC91HoKtbmZk=
+github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
+github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/libp2p/go-nat v1.0.1-0.20250821073202-01afc089f138 h1:YohuNPT/1k3VcThCQlBZ43PCPWPfMRS1zcxWBF2SLK8=
-github.com/libp2p/go-nat v1.0.1-0.20250821073202-01afc089f138/go.mod h1:TXQg5tfSy+bUjnhT5728j5j/MBj7keIYqqZ1+8k/ui8=
-github.com/libp2p/go-netroute v0.2.1 h1:V8kVrpD8GK0Riv15/7VN6RbUQ3URNZVosw7H2v9tksU=
-github.com/libp2p/go-netroute v0.2.1/go.mod h1:hraioZr0fhBjG0ZRXJJ6Zj2IVEVNx6tDTFQfSmcq7mQ=
-github.com/miekg/dns v1.1.73 h1:uhT8nJxmTrPJYClxVxTCX+CVn6qnzSiybRk72Z6DgrE=
-github.com/miekg/dns v1.1.73/go.mod h1:RW2Obtfd5NZHvOFe3zYG0W8koWOQtAzyHaLo8vASBuQ=
+github.com/miekg/dns v1.1.72 h1:vhmr+TF2A3tuoGNkLDFK9zi36F2LS+hKTRW0Uf8kbzI=
+github.com/miekg/dns v1.1.72/go.mod h1:+EuEPhdHOsfk6Wk5TT2CzssZdqkmFhf8r+aVyDEToIs=
 github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
 github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 h1:JhzVVoYvbOACxoUmOs6V/G4D5nPVUW73rKvXxP4XUJc=
 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2/go.mod h1:iIss55rKnNBTvrwdmkUpLnDpZoAHvWaiq5+iMmen4AE=
-github.com/pion/dtls/v3 v3.1.5 h1:9xJtVsHwMYeSjPp5Hh1FTis4DchnQWtnOa5o+6ygqfc=
-github.com/pion/dtls/v3 v3.1.5/go.mod h1:gz1K4jg6c+fq86oQMH4pilpCEOEPwmEr2jY+VcF/mkU=
+github.com/pion/dtls/v3 v3.1.2 h1:gqEdOUXLtCGW+afsBLO0LtDD8GnuBBjEy6HRtyofZTc=
+github.com/pion/dtls/v3 v3.1.2/go.mod h1:Hw/igcX4pdY69z1Hgv5x7wJFrUkdgHwAn/Q/uo7YHRo=
 github.com/pion/logging v0.2.4 h1:tTew+7cmQ+Mc1pTBLKH2puKsOvhm32dROumOZ655zB8=
 github.com/pion/logging v0.2.4/go.mod h1:DffhXTKYdNZU+KtJ5pyQDjvOAh/GsNSyv1lbkFbe3so=
-github.com/pion/stun/v3 v3.1.7 h1:uRXMTlGLf89WgItGNyZ6aR5jMTX0NBbybXADpQCzn+E=
-github.com/pion/stun/v3 v3.1.7/go.mod h1:Nq77RW4aRrSNrltf2ksUJLjxWeipj4lnlgdsYIxC8g8=
-github.com/pion/transport/v4 v4.1.0 h1:8S+nF2reM2cJuqC6g78OVy2BBgmbdns+acx3jA97BvQ=
-github.com/pion/transport/v4 v4.1.0/go.mod h1:06hFI+jCFcok2X2MekVufNZ/uzNZXivGBPfviSVcjgM=
-github.com/pires/go-proxyproto v0.15.0 h1:dTshmNbFm/D+0+sbrxUuddPOZ5Y0B7c5NhtsBkm6LqI=
-github.com/pires/go-proxyproto v0.15.0/go.mod h1:OXsCrKwrK2tXS9YrI5tkHx5xaQlO8FH3lFW76orFh24=
-github.com/quic-go/go-ossfuzz-seeds v0.1.0 h1:APacT+iIaNF6fd8AGEiN3bT/Jtkd2jz4v4TzM7MFjy0=
-github.com/quic-go/go-ossfuzz-seeds v0.1.0/go.mod h1:3IOHRbJIc+L6YKMwfDtJAM9Vj9k0YY4muhuyUYk5tbk=
+github.com/pion/stun/v3 v3.1.2 h1:86IhD8wFn6IDW4b1/0QzoQS+f5PeA8OHHRn8UZW5ErY=
+github.com/pion/stun/v3 v3.1.2/go.mod h1:H7gDic7nNwlUL05pbs6T1dtaBehh/KjupxfWw3ZI7cA=
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@@ -134,22 +121,21 @@ golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -161,23 +147,23 @@ golang.zx2c4.com/wireguard/windows v1.0.1 h1:eOxiDVbywPC+ZQqvdCK7x+ZwWXKbYv50TtH
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-google.golang.org/protobuf v1.36.12/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 h1:ggcbiqK8WWh6l1dnltU4BgWGIGo+EVYxCaAPih/zQXQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
+google.golang.org/grpc v1.81.1 h1:VnnIIZ88UzOOKLukQi+ImGz8O1Wdp8nAGGnvOfEIWQQ=
+google.golang.org/grpc v1.81.1/go.mod h1:xGH9GfzOyMTGIOXBJmXt+BX/V0kcdQbdcuwQ/zNw42I=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gvisor.dev/gvisor v0.0.0-20260122175437-89a5d21be8f0 h1:Lk6hARj5UPY47dBep70OD/TIMwikJ5fGUGX0Rm3Xigk=
 gvisor.dev/gvisor v0.0.0-20260122175437-89a5d21be8f0/go.mod h1:QkHjoMIBaYtpVufgwv3keYAbln78mBoCuShZrPrer1Q=
 h12.io/socks v1.0.3 h1:Ka3qaQewws4j4/eDQnOdpr4wXsC//dXtWvftlIcCQUo=
 h12.io/socks v1.0.3/go.mod h1:AIhxy1jOId/XCz9BO+EIgNL2rQiPTBNnOfnVnQ+3Eck=
 lukechampine.com/blake3 v1.4.1 h1:I3Smz7gso8w4/TunLKec6K2fn+kyKtDxr/xcQEN84Wg=
 lukechampine.com/blake3 v1.4.1/go.mod h1:QFosUxmjB8mnrWFSNwKmvxHpfY72bmD2tQ0kBMM3kwo=
-mvdan.cc/gofumpt v0.12.0 h1:1Lbudkz2kpM9Cjz2pL4M19u7q+GaEhCTNf7N9mfpcho=
-mvdan.cc/gofumpt v0.12.0/go.mod h1:SmBHHrljiZu/uoypeKup3rFzP6eoC9UwCp2iH5E3jZA=
@@ -1,42 +1,52 @@
 package conf

 import (
-	"encoding/base64"
-	"strings"
+	"encoding/json"

 	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/proxy/blackhole"
 	"google.golang.org/protobuf/proto"
 )

-type ResponseConfig struct {
-	Type               string `json:"type"`
-	CustomResponseData string `json:"customResponseData"`
+type NoneResponse struct{}
+
+func (*NoneResponse) Build() (proto.Message, error) {
+	return new(blackhole.NoneResponse), nil
+}
+
+type HTTPResponse struct{}
+
+func (*HTTPResponse) Build() (proto.Message, error) {
+	return new(blackhole.HTTPResponse), nil
 }

 type BlackholeConfig struct {
-	Response *ResponseConfig `json:"response"`
+	Response json.RawMessage `json:"response"`
 }

 func (v *BlackholeConfig) Build() (proto.Message, error) {
 	config := new(blackhole.Config)
 	if v.Response != nil {
-		responseName := strings.ToLower(v.Response.Type)
-		switch responseName {
-		case "none", "":
-			config.Response = &blackhole.Response{Type: "none"}
-		case "http":
-			config.Response = &blackhole.Response{Type: "http"}
-		case "custom":
-			data, err := base64.StdEncoding.DecodeString(v.Response.CustomResponseData)
-			if err != nil {
-				return nil, errors.New("failed to decode custom response data: " + err.Error())
-			}
-			config.Response = &blackhole.Response{Type: "custom", CustomResponseData: data}
-		default:
-			return nil, errors.New("unknown blackhole response: " + responseName)
+		response, _, err := configLoader.Load(v.Response)
+		if err != nil {
+			return nil, errors.New("Config: Failed to parse Blackhole response config.").Base(err)
 		}
+		responseSettings, err := response.(Buildable).Build()
+		if err != nil {
+			return nil, err
+		}
+		config.Response = serial.ToTypedMessage(responseSettings)
 	}

 	return config, nil
 }
+
+var configLoader = NewJSONConfigLoader(
+	ConfigCreatorCache{
+		"none": func() interface{} { return new(NoneResponse) },
+		"http": func() interface{} { return new(HTTPResponse) },
+	},
+	"type",
+	"",
+)
@@ -3,6 +3,7 @@ package conf_test
 import (
 	"testing"

+	"github.com/xtls/xray-core/common/serial"
 	. "github.com/xtls/xray-core/infra/conf"
 	"github.com/xtls/xray-core/proxy/blackhole"
 )
@@ -21,7 +22,7 @@ func TestHTTPResponseJSON(t *testing.T) {
 			}`,
 			Parser: loadJSON(creator),
 			Output: &blackhole.Config{
-				Response: &blackhole.Response{Type: "http"},
+				Response: serial.ToTypedMessage(&blackhole.HTTPResponse{}),
 			},
 		},
 		{
@@ -31,27 +32,3 @@ func TestHTTPResponseJSON(t *testing.T) {
 		},
 	})
 }
-
-func TestCustomResponseJSON(t *testing.T) {
-	creator := func() Buildable {
-		return new(BlackholeConfig)
-	}
-
-	runMultiTestCase(t, []TestCase{
-		{
-			Input: `{
-				"response": {
-					"type": "custom",
-					"customResponseData": "Y3VzdG9tIHJlc3BvbnNl"
-				}
-			}`,
-			Parser: loadJSON(creator),
-			Output: &blackhole.Config{
-				Response: &blackhole.Response{
-					Type:               "custom",
-					CustomResponseData: []byte("custom response"),
-				},
-			},
-		},
-	})
-}
@@ -65,9 +65,6 @@ func (v *Address) UnmarshalJSON(data []byte) error {
 }

 func (v *Address) Build() *net.IPOrDomain {
-	if v == nil {
-		return nil
-	}
 	return net.NewIPOrDomain(v.Address)
 }

@@ -1,59 +0,0 @@
-package conf
-
-import (
-	"encoding/json"
-	"os"
-	"testing"
-)
-
-func TestRootEnvAppliesArbitraryValues(t *testing.T) {
-	const (
-		valueKey = "XRAY_TEST_CONFIG_ENV"
-		emptyKey = "XRAY_TEST_CONFIG_EMPTY"
-	)
-	t.Setenv(valueKey, "before")
-	t.Setenv(emptyKey, "before")
-
-	config := new(Config)
-	if err := json.Unmarshal([]byte(`{
-		"env": {
-			"XRAY_TEST_CONFIG_ENV": "configured",
-			"XRAY_TEST_CONFIG_EMPTY": ""
-		}
-	}`), config); err != nil {
-		t.Fatal(err)
-	}
-	if _, err := config.Build(); err != nil {
-		t.Fatal(err)
-	}
-
-	if got := os.Getenv(valueKey); got != "configured" {
-		t.Fatalf("env %q = %q, want %q", valueKey, got, "configured")
-	}
-	if got := os.Getenv(emptyKey); got != "" {
-		t.Fatalf("env %q = %q, want empty", emptyKey, got)
-	}
-}
-
-func TestEnvConfigOverride(t *testing.T) {
-	base := EnvConfig{
-		"ONE": "one",
-		"TWO": "old",
-	}
-	override := EnvConfig{
-		"TWO":   "new",
-		"THREE": "three",
-	}
-	base.Override(override)
-
-	want := map[string]string{
-		"ONE":   "one",
-		"TWO":   "new",
-		"THREE": "three",
-	}
-	for key, value := range want {
-		if got := base[key]; got != value {
-			t.Fatalf("env %q = %q, want %q", key, got, value)
-		}
-	}
-}
@@ -0,0 +1,41 @@
+package conf
+
+import (
+	"github.com/xtls/xray-core/transport/internet/grpc"
+	"google.golang.org/protobuf/proto"
+)
+
+type GRPCConfig struct {
+	Authority           string `json:"authority"`
+	ServiceName         string `json:"serviceName"`
+	MultiMode           bool   `json:"multiMode"`
+	IdleTimeout         int32  `json:"idle_timeout"`
+	HealthCheckTimeout  int32  `json:"health_check_timeout"`
+	PermitWithoutStream bool   `json:"permit_without_stream"`
+	InitialWindowsSize  int32  `json:"initial_windows_size"`
+	UserAgent           string `json:"user_agent"`
+}
+
+func (g *GRPCConfig) Build() (proto.Message, error) {
+	if g.IdleTimeout <= 0 {
+		g.IdleTimeout = 0
+	}
+	if g.HealthCheckTimeout <= 0 {
+		g.HealthCheckTimeout = 0
+	}
+	if g.InitialWindowsSize < 0 {
+		// default window size of gRPC-go
+		g.InitialWindowsSize = 0
+	}
+
+	return &grpc.Config{
+		Authority:           g.Authority,
+		ServiceName:         g.ServiceName,
+		MultiMode:           g.MultiMode,
+		IdleTimeout:         g.IdleTimeout,
+		HealthCheckTimeout:  g.HealthCheckTimeout,
+		PermitWithoutStream: g.PermitWithoutStream,
+		InitialWindowsSize:  g.InitialWindowsSize,
+		UserAgent:           g.UserAgent,
+	}, nil
+}
@@ -22,6 +22,7 @@ func (c *HysteriaClientConfig) Build() (proto.Message, error) {
 	}

 	config := &hysteria.ClientConfig{}
+	config.Version = c.Version
 	config.Server = &protocol.ServerEndpoint{
 		Address: c.Address.Build(),
 		Port:    uint32(c.Port),
@@ -43,10 +44,6 @@ type HysteriaServerConfig struct {
 }

 func (c *HysteriaServerConfig) Build() (proto.Message, error) {
-	if c.Version != 2 {
-		return nil, errors.New("version != 2")
-	}
-
 	config := new(hysteria.ServerConfig)

 	if c.Clients != nil {
@@ -1,24 +1,14 @@
 package conf

 import (
-	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/proxy/loopback"
 	"google.golang.org/protobuf/proto"
 )

 type LoopbackConfig struct {
-	InboundTag string          `json:"inboundTag"`
-	Sniffing   *SniffingConfig `json:"sniffing"`
+	InboundTag string `json:"inboundTag"`
 }

 func (l LoopbackConfig) Build() (proto.Message, error) {
-	c := &loopback.Config{InboundTag: l.InboundTag}
-	if l.Sniffing != nil {
-		sc, err := l.Sniffing.Build()
-		if err != nil {
-			return nil, errors.New("failed to build sniffing config").Base(err)
-		}
-		c.Sniffing = sc
-	}
-	return c, nil
+	return &loopback.Config{InboundTag: l.InboundTag}, nil
 }
@@ -23,7 +23,7 @@ func (o *ObservatoryConfig) Build() (proto.Message, error) {
 type BurstObservatoryConfig struct {
 	SubjectSelector []string `json:"subjectSelector"`
 	// health check settings
-	HealthCheck *HealthCheckSettings `json:"pingConfig,omitempty"`
+	HealthCheck *healthCheckSettings `json:"pingConfig,omitempty"`
 }

 func (b BurstObservatoryConfig) Build() (proto.Message, error) {
@@ -148,7 +148,6 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		LocalIP    *StringList        `json:"localIP"`
 		LocalPort  *PortList          `json:"localPort"`
 		Process    *StringList        `json:"process"`
-		LocalOS    *StringList        `json:"localOS"`
 		Webhook    *WebhookRuleConfig `json:"webhook"`
 	}
 	rawFieldRule := new(RawFieldRule)
@@ -262,10 +261,6 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		rule.Process = *rawFieldRule.Process
 	}

-	if rawFieldRule.LocalOS != nil && len(*rawFieldRule.LocalOS) > 0 {
-		rule.LocalOs = *rawFieldRule.LocalOS
-	}
-
 	if rawFieldRule.Webhook != nil && rawFieldRule.Webhook.URL != "" {
 		rule.Webhook = &router.WebhookConfig{
 			Url:           rawFieldRule.Webhook.URL,
@@ -43,8 +43,8 @@ type strategyLeastLoadConfig struct {
 	Tolerance float64 `json:"tolerance,omitempty"`
 }

-// HealthCheckSettings holds settings for health Checker
-type HealthCheckSettings struct {
+// healthCheckSettings holds settings for health Checker
+type healthCheckSettings struct {
 	Destination   string            `json:"destination"`
 	Connectivity  string            `json:"connectivity"`
 	Interval      duration.Duration `json:"interval"`
@@ -53,7 +53,7 @@ type HealthCheckSettings struct {
 	HttpMethod    string            `json:"httpMethod"`
 }

-func (h HealthCheckSettings) Build() (proto.Message, error) {
+func (h healthCheckSettings) Build() (proto.Message, error) {
 	var httpMethod string
 	if h.HttpMethod == "" {
 		httpMethod = "HEAD"
@@ -24,6 +24,8 @@ func cipherFromString(c string) shadowsocks.CipherType {
 		return shadowsocks.CipherType_CHACHA20_POLY1305
 	case "xchacha20-poly1305", "aead_xchacha20_poly1305", "xchacha20-ietf-poly1305":
 		return shadowsocks.CipherType_XCHACHA20_POLY1305
+	case "none", "plain":
+		return shadowsocks.CipherType_NONE
 	default:
 		return shadowsocks.CipherType_UNKNOWN
 	}
@@ -177,22 +179,26 @@ func buildShadowsocks2022(v *ShadowsocksServerConfig) (proto.Message, error) {
 }

 type ShadowsocksServerTarget struct {
-	Address  *Address `json:"address"`
-	Port     uint16   `json:"port"`
-	Level    byte     `json:"level"`
-	Email    string   `json:"email"`
-	Cipher   string   `json:"method"`
-	Password string   `json:"password"`
+	Address    *Address `json:"address"`
+	Port       uint16   `json:"port"`
+	Level      byte     `json:"level"`
+	Email      string   `json:"email"`
+	Cipher     string   `json:"method"`
+	Password   string   `json:"password"`
+	UoT        bool     `json:"uot"`
+	UoTVersion int      `json:"uotVersion"`
 }

 type ShadowsocksClientConfig struct {
-	Address  *Address                   `json:"address"`
-	Port     uint16                     `json:"port"`
-	Level    byte                       `json:"level"`
-	Email    string                     `json:"email"`
-	Cipher   string                     `json:"method"`
-	Password string                     `json:"password"`
-	Servers  []*ShadowsocksServerTarget `json:"servers"`
+	Address    *Address                   `json:"address"`
+	Port       uint16                     `json:"port"`
+	Level      byte                       `json:"level"`
+	Email      string                     `json:"email"`
+	Cipher     string                     `json:"method"`
+	Password   string                     `json:"password"`
+	UoT        bool                       `json:"uot"`
+	UoTVersion int                        `json:"uotVersion"`
+	Servers    []*ShadowsocksServerTarget `json:"servers"`
 }

 func (v *ShadowsocksClientConfig) Build() (proto.Message, error) {
@@ -201,12 +207,14 @@ func (v *ShadowsocksClientConfig) Build() (proto.Message, error) {
 	if v.Address != nil {
 		v.Servers = []*ShadowsocksServerTarget{
 			{
-				Address:  v.Address,
-				Port:     v.Port,
-				Level:    v.Level,
-				Email:    v.Email,
-				Cipher:   v.Cipher,
-				Password: v.Password,
+				Address:    v.Address,
+				Port:       v.Port,
+				Level:      v.Level,
+				Email:      v.Email,
+				Cipher:     v.Cipher,
+				Password:   v.Password,
+				UoT:        v.UoT,
+				UoTVersion: v.UoTVersion,
 			},
 		}
 	}
@@ -232,6 +240,8 @@ func (v *ShadowsocksClientConfig) Build() (proto.Message, error) {
 			config.Port = uint32(server.Port)
 			config.Method = server.Cipher
 			config.Key = server.Password
+			config.UdpOverTcp = server.UoT
+			config.UdpOverTcpVersion = uint32(server.UoTVersion)
 			return config, nil
 		}
 	}
@@ -0,0 +1,208 @@
+package conf
+
+import (
+	"sort"
+
+	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/utils"
+	"github.com/xtls/xray-core/transport/internet/headers/http"
+	"github.com/xtls/xray-core/transport/internet/headers/noop"
+	"google.golang.org/protobuf/proto"
+)
+
+type NoOpConnectionAuthenticator struct{}
+
+func (NoOpConnectionAuthenticator) Build() (proto.Message, error) {
+	return new(noop.ConnectionConfig), nil
+}
+
+type AuthenticatorRequest struct {
+	Version string                 `json:"version"`
+	Method  string                 `json:"method"`
+	Path    StringList             `json:"path"`
+	Headers map[string]*StringList `json:"headers"`
+}
+
+func sortMapKeys(m map[string]*StringList) []string {
+	var keys []string
+	for key := range m {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	return keys
+}
+
+func (v *AuthenticatorRequest) Build() (*http.RequestConfig, error) {
+	config := &http.RequestConfig{
+		Uri: []string{"/"},
+		Header: []*http.Header{
+			{
+				Name:  "Host",
+				Value: []string{"www.baidu.com", "www.bing.com"},
+			},
+			{
+				Name:  "User-Agent",
+				Value: []string{utils.ChromeUA},
+			},
+			{
+				Name:  "Sec-CH-UA",
+				Value: []string{utils.ChromeUACH},
+			},
+			{
+				Name:  "Sec-CH-UA-Mobile",
+				Value: []string{"?0"},
+			},
+			{
+				Name:  "Sec-CH-UA-Platform",
+				Value: []string{"Windows"},
+			},
+			{
+				Name:  "Sec-Fetch-Mode",
+				Value: []string{"no-cors", "cors", "same-origin"},
+			},
+			{
+				Name:  "Sec-Fetch-Dest",
+				Value: []string{"empty"},
+			},
+			{
+				Name:  "Sec-Fetch-Site",
+				Value: []string{"none"},
+			},
+			{
+				Name:  "Sec-Fetch-User",
+				Value: []string{"?1"},
+			},
+			{
+				Name:  "Accept-Encoding",
+				Value: []string{"gzip, deflate"},
+			},
+			{
+				Name:  "Connection",
+				Value: []string{"keep-alive"},
+			},
+			{
+				Name:  "Pragma",
+				Value: []string{"no-cache"},
+			},
+		},
+	}
+
+	if len(v.Version) > 0 {
+		config.Version = &http.Version{Value: v.Version}
+	}
+
+	if len(v.Method) > 0 {
+		config.Method = &http.Method{Value: v.Method}
+	}
+
+	if len(v.Path) > 0 {
+		config.Uri = append([]string(nil), v.Path...)
+	}
+
+	if len(v.Headers) > 0 {
+		config.Header = make([]*http.Header, 0, len(v.Headers))
+		headerNames := sortMapKeys(v.Headers)
+		for _, key := range headerNames {
+			value := v.Headers[key]
+			if value == nil {
+				return nil, errors.New("empty HTTP header value: " + key).AtError()
+			}
+			config.Header = append(config.Header, &http.Header{
+				Name:  key,
+				Value: append([]string(nil), (*value)...),
+			})
+		}
+	}
+
+	return config, nil
+}
+
+type AuthenticatorResponse struct {
+	Version string                 `json:"version"`
+	Status  string                 `json:"status"`
+	Reason  string                 `json:"reason"`
+	Headers map[string]*StringList `json:"headers"`
+}
+
+func (v *AuthenticatorResponse) Build() (*http.ResponseConfig, error) {
+	config := &http.ResponseConfig{
+		Header: []*http.Header{
+			{
+				Name:  "Content-Type",
+				Value: []string{"application/octet-stream", "video/mpeg"},
+			},
+			{
+				Name:  "Transfer-Encoding",
+				Value: []string{"chunked"},
+			},
+			{
+				Name:  "Connection",
+				Value: []string{"keep-alive"},
+			},
+			{
+				Name:  "Pragma",
+				Value: []string{"no-cache"},
+			},
+			{
+				Name:  "Cache-Control",
+				Value: []string{"private", "no-cache"},
+			},
+		},
+	}
+
+	if len(v.Version) > 0 {
+		config.Version = &http.Version{Value: v.Version}
+	}
+
+	if len(v.Status) > 0 || len(v.Reason) > 0 {
+		config.Status = &http.Status{
+			Code:   "200",
+			Reason: "OK",
+		}
+		if len(v.Status) > 0 {
+			config.Status.Code = v.Status
+		}
+		if len(v.Reason) > 0 {
+			config.Status.Reason = v.Reason
+		}
+	}
+
+	if len(v.Headers) > 0 {
+		config.Header = make([]*http.Header, 0, len(v.Headers))
+		headerNames := sortMapKeys(v.Headers)
+		for _, key := range headerNames {
+			value := v.Headers[key]
+			if value == nil {
+				return nil, errors.New("empty HTTP header value: " + key).AtError()
+			}
+			config.Header = append(config.Header, &http.Header{
+				Name:  key,
+				Value: append([]string(nil), (*value)...),
+			})
+		}
+	}
+
+	return config, nil
+}
+
+type Authenticator struct {
+	Request  AuthenticatorRequest  `json:"request"`
+	Response AuthenticatorResponse `json:"response"`
+}
+
+func (v *Authenticator) Build() (proto.Message, error) {
+	config := new(http.Config)
+	requestConfig, err := v.Request.Build()
+	if err != nil {
+		return nil, err
+	}
+	config.Request = requestConfig
+
+	responseConfig, err := v.Response.Build()
+	if err != nil {
+		return nil, err
+	}
+	config.Response = responseConfig
+
+	return config, nil
+}
@@ -1,36 +0,0 @@
-package conf
-
-import (
-	"strings"
-	"testing"
-
-	"github.com/xtls/xray-core/transport/internet/finalmask/xmc"
-)
-
-func TestXMCBuildProfile(t *testing.T) {
-	built, err := (&XMC{
-		Password: "test-password",
-		Profiles: []XMCProfile{
-			{
-				Username:          "TestUser",
-				UUID:              "00112233-4455-6677-8899-aabbccddeeff",
-				TexturesValue:     "textures-value",
-				TexturesSignature: "textures-signature",
-			},
-		},
-	}).Build()
-	if err != nil {
-		t.Fatalf("build XMC config: %v", err)
-	}
-	config := built.(*xmc.Config)
-	if len(config.Profiles) != 1 || len(config.Profiles[0].Uuid) != 16 {
-		t.Fatalf("unexpected profiles: %+v", config.Profiles)
-	}
-}
-
-func TestXMCBuildRequiresProfile(t *testing.T) {
-	_, err := (&XMC{Password: "test-password"}).Build()
-	if err == nil || !strings.Contains(err.Error(), "profiles are required") {
-		t.Fatalf("expected required profiles error, got %v", err)
-	}
-}
@@ -1,796 +0,0 @@
-package conf
-
-import (
-	"encoding/json"
-	"math/big"
-	"net/url"
-	"sort"
-	"strconv"
-	"strings"
-
-	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/platform/filesystem"
-	"github.com/xtls/xray-core/common/serial"
-	"github.com/xtls/xray-core/common/utils"
-	"github.com/xtls/xray-core/transport/internet"
-	"github.com/xtls/xray-core/transport/internet/grpc"
-	"github.com/xtls/xray-core/transport/internet/headers/http"
-	"github.com/xtls/xray-core/transport/internet/headers/noop"
-	"github.com/xtls/xray-core/transport/internet/httpupgrade"
-	"github.com/xtls/xray-core/transport/internet/hysteria"
-	"github.com/xtls/xray-core/transport/internet/kcp"
-	"github.com/xtls/xray-core/transport/internet/splithttp"
-	"github.com/xtls/xray-core/transport/internet/tcp"
-	"github.com/xtls/xray-core/transport/internet/websocket"
-	"google.golang.org/protobuf/proto"
-)
-
-type NoOpConnectionAuthenticator struct{}
-
-func (NoOpConnectionAuthenticator) Build() (proto.Message, error) {
-	return new(noop.ConnectionConfig), nil
-}
-
-type AuthenticatorRequest struct {
-	Version string                 `json:"version"`
-	Method  string                 `json:"method"`
-	Path    StringList             `json:"path"`
-	Headers map[string]*StringList `json:"headers"`
-}
-
-func sortMapKeys(m map[string]*StringList) []string {
-	var keys []string
-	for key := range m {
-		keys = append(keys, key)
-	}
-	sort.Strings(keys)
-	return keys
-}
-
-func (v *AuthenticatorRequest) Build() (*http.RequestConfig, error) {
-	config := &http.RequestConfig{
-		Uri: []string{"/"},
-		Header: []*http.Header{
-			{
-				Name:  "Host",
-				Value: []string{"www.baidu.com", "www.bing.com"},
-			},
-			{
-				Name:  "User-Agent",
-				Value: []string{utils.ChromeUA},
-			},
-			{
-				Name:  "Sec-CH-UA",
-				Value: []string{utils.ChromeUACH},
-			},
-			{
-				Name:  "Sec-CH-UA-Mobile",
-				Value: []string{"?0"},
-			},
-			{
-				Name:  "Sec-CH-UA-Platform",
-				Value: []string{"Windows"},
-			},
-			{
-				Name:  "Sec-Fetch-Mode",
-				Value: []string{"no-cors", "cors", "same-origin"},
-			},
-			{
-				Name:  "Sec-Fetch-Dest",
-				Value: []string{"empty"},
-			},
-			{
-				Name:  "Sec-Fetch-Site",
-				Value: []string{"none"},
-			},
-			{
-				Name:  "Sec-Fetch-User",
-				Value: []string{"?1"},
-			},
-			{
-				Name:  "Accept-Encoding",
-				Value: []string{"gzip, deflate"},
-			},
-			{
-				Name:  "Connection",
-				Value: []string{"keep-alive"},
-			},
-			{
-				Name:  "Pragma",
-				Value: []string{"no-cache"},
-			},
-		},
-	}
-
-	if len(v.Version) > 0 {
-		config.Version = &http.Version{Value: v.Version}
-	}
-
-	if len(v.Method) > 0 {
-		config.Method = &http.Method{Value: v.Method}
-	}
-
-	if len(v.Path) > 0 {
-		config.Uri = append([]string(nil), v.Path...)
-	}
-
-	if len(v.Headers) > 0 {
-		config.Header = make([]*http.Header, 0, len(v.Headers))
-		headerNames := sortMapKeys(v.Headers)
-		for _, key := range headerNames {
-			value := v.Headers[key]
-			if value == nil {
-				return nil, errors.New("empty HTTP header value: " + key).AtError()
-			}
-			config.Header = append(config.Header, &http.Header{
-				Name:  key,
-				Value: append([]string(nil), (*value)...),
-			})
-		}
-	}
-
-	return config, nil
-}
-
-type AuthenticatorResponse struct {
-	Version string                 `json:"version"`
-	Status  string                 `json:"status"`
-	Reason  string                 `json:"reason"`
-	Headers map[string]*StringList `json:"headers"`
-}
-
-func (v *AuthenticatorResponse) Build() (*http.ResponseConfig, error) {
-	config := &http.ResponseConfig{
-		Header: []*http.Header{
-			{
-				Name:  "Content-Type",
-				Value: []string{"application/octet-stream", "video/mpeg"},
-			},
-			{
-				Name:  "Transfer-Encoding",
-				Value: []string{"chunked"},
-			},
-			{
-				Name:  "Connection",
-				Value: []string{"keep-alive"},
-			},
-			{
-				Name:  "Pragma",
-				Value: []string{"no-cache"},
-			},
-			{
-				Name:  "Cache-Control",
-				Value: []string{"private", "no-cache"},
-			},
-		},
-	}
-
-	if len(v.Version) > 0 {
-		config.Version = &http.Version{Value: v.Version}
-	}
-
-	if len(v.Status) > 0 || len(v.Reason) > 0 {
-		config.Status = &http.Status{
-			Code:   "200",
-			Reason: "OK",
-		}
-		if len(v.Status) > 0 {
-			config.Status.Code = v.Status
-		}
-		if len(v.Reason) > 0 {
-			config.Status.Reason = v.Reason
-		}
-	}
-
-	if len(v.Headers) > 0 {
-		config.Header = make([]*http.Header, 0, len(v.Headers))
-		headerNames := sortMapKeys(v.Headers)
-		for _, key := range headerNames {
-			value := v.Headers[key]
-			if value == nil {
-				return nil, errors.New("empty HTTP header value: " + key).AtError()
-			}
-			config.Header = append(config.Header, &http.Header{
-				Name:  key,
-				Value: append([]string(nil), (*value)...),
-			})
-		}
-	}
-
-	return config, nil
-}
-
-type Authenticator struct {
-	Request  AuthenticatorRequest  `json:"request"`
-	Response AuthenticatorResponse `json:"response"`
-}
-
-func (v *Authenticator) Build() (proto.Message, error) {
-	config := new(http.Config)
-	requestConfig, err := v.Request.Build()
-	if err != nil {
-		return nil, err
-	}
-	config.Request = requestConfig
-
-	responseConfig, err := v.Response.Build()
-	if err != nil {
-		return nil, err
-	}
-	config.Response = responseConfig
-
-	return config, nil
-}
-
-var tcpHeaderLoader = NewJSONConfigLoader(ConfigCreatorCache{
-	"none": func() interface{} { return new(NoOpConnectionAuthenticator) },
-	"http": func() interface{} { return new(Authenticator) },
-}, "type", "")
-
-type TCPConfig struct {
-	HeaderConfig        json.RawMessage `json:"header"`
-	AcceptProxyProtocol bool            `json:"acceptProxyProtocol"`
-}
-
-// Build implements Buildable.
-func (c *TCPConfig) Build() (proto.Message, error) {
-	config := new(tcp.Config)
-	if len(c.HeaderConfig) > 0 {
-		headerConfig, _, err := tcpHeaderLoader.Load(c.HeaderConfig)
-		if err != nil {
-			return nil, errors.New("invalid TCP header config").Base(err).AtError()
-		}
-		ts, err := headerConfig.(Buildable).Build()
-		if err != nil {
-			return nil, errors.New("invalid TCP header config").Base(err).AtError()
-		}
-		config.HeaderSettings = serial.ToTypedMessage(ts)
-	}
-	if c.AcceptProxyProtocol {
-		config.AcceptProxyProtocol = c.AcceptProxyProtocol
-	}
-	return config, nil
-}
-
-type SplitHTTPConfig struct {
-	Host                 string            `json:"host"`
-	Path                 string            `json:"path"`
-	Mode                 string            `json:"mode"`
-	Headers              map[string]string `json:"headers"`
-	XPaddingBytes        Int32Range        `json:"xPaddingBytes"`
-	XPaddingObfsMode     bool              `json:"xPaddingObfsMode"`
-	XPaddingKey          string            `json:"xPaddingKey"`
-	XPaddingHeader       string            `json:"xPaddingHeader"`
-	XPaddingPlacement    string            `json:"xPaddingPlacement"`
-	XPaddingMethod       string            `json:"xPaddingMethod"`
-	UplinkHTTPMethod     string            `json:"uplinkHTTPMethod"`
-	SessionIDPlacement   string            `json:"sessionIDPlacement"`
-	SessionIDKey         string            `json:"sessionIDKey"`
-	SessionIDTable       string            `json:"sessionIDTable"`
-	SessionIDLength      Int32Range        `json:"sessionIDLength"`
-	SeqPlacement         string            `json:"seqPlacement"`
-	SeqKey               string            `json:"seqKey"`
-	UplinkDataPlacement  string            `json:"uplinkDataPlacement"`
-	UplinkDataKey        string            `json:"uplinkDataKey"`
-	UplinkChunkSize      Int32Range        `json:"uplinkChunkSize"`
-	NoGRPCHeader         bool              `json:"noGRPCHeader"`
-	NoSSEHeader          bool              `json:"noSSEHeader"`
-	ScMaxEachPostBytes   Int32Range        `json:"scMaxEachPostBytes"`
-	ScMinPostsIntervalMs Int32Range        `json:"scMinPostsIntervalMs"`
-	ScMaxBufferedPosts   int64             `json:"scMaxBufferedPosts"`
-	ScStreamUpServerSecs Int32Range        `json:"scStreamUpServerSecs"`
-	ServerMaxHeaderBytes int32             `json:"serverMaxHeaderBytes"`
-	Xmux                 XmuxConfig        `json:"xmux"`
-	DownloadSettings     *StreamConfig     `json:"downloadSettings"`
-	Extra                json.RawMessage   `json:"extra"`
-}
-
-type XmuxConfig struct {
-	MaxConcurrency   Int32Range `json:"maxConcurrency"`
-	MaxConnections   Int32Range `json:"maxConnections"`
-	CMaxReuseTimes   Int32Range `json:"cMaxReuseTimes"`
-	HMaxRequestTimes Int32Range `json:"hMaxRequestTimes"`
-	HMaxReusableSecs Int32Range `json:"hMaxReusableSecs"`
-	HKeepAlivePeriod int64      `json:"hKeepAlivePeriod"`
-}
-
-func newRangeConfig(input Int32Range) *splithttp.RangeConfig {
-	return &splithttp.RangeConfig{
-		From: input.From,
-		To:   input.To,
-	}
-}
-
-// Build implements Buildable.
-func (c *SplitHTTPConfig) Build() (proto.Message, error) {
-	if c.Extra != nil {
-		var extra SplitHTTPConfig
-		if err := json.Unmarshal(c.Extra, &extra); err != nil {
-			return nil, errors.New(`Failed to unmarshal "extra".`).Base(err)
-		}
-		extra.Host = c.Host
-		extra.Path = c.Path
-		extra.Mode = c.Mode
-		c = &extra
-	}
-
-	switch c.Mode {
-	case "":
-		c.Mode = "auto"
-	case "auto", "packet-up", "stream-up", "stream-one":
-	default:
-		return nil, errors.New("unsupported mode: " + c.Mode)
-	}
-
-	// Priority (client): host > serverName > address
-	for k := range c.Headers {
-		if strings.ToLower(k) == "host" {
-			return nil, errors.New(`"headers" can't contain "host"`)
-		}
-	}
-
-	if c.XPaddingBytes != (Int32Range{}) && (c.XPaddingBytes.From <= 0 || c.XPaddingBytes.To <= 0) {
-		return nil, errors.New("xPaddingBytes cannot be disabled")
-	}
-
-	if c.XPaddingKey == "" {
-		c.XPaddingKey = "x_padding"
-	}
-
-	if c.XPaddingHeader == "" {
-		c.XPaddingHeader = "X-Padding"
-	}
-
-	switch c.XPaddingPlacement {
-	case "":
-		c.XPaddingPlacement = "queryInHeader"
-	case "cookie", "header", "query", "queryInHeader":
-	default:
-		return nil, errors.New("unsupported padding placement: " + c.XPaddingPlacement)
-	}
-
-	switch c.XPaddingMethod {
-	case "":
-		c.XPaddingMethod = "repeat-x"
-	case "repeat-x", "tokenish":
-	default:
-		return nil, errors.New("unsupported padding method: " + c.XPaddingMethod)
-	}
-
-	switch c.UplinkDataPlacement {
-	case "":
-		c.UplinkDataPlacement = splithttp.PlacementAuto
-	case splithttp.PlacementAuto, splithttp.PlacementBody:
-	case splithttp.PlacementCookie, splithttp.PlacementHeader:
-		if c.Mode != "packet-up" {
-			return nil, errors.New("UplinkDataPlacement can be " + c.UplinkDataPlacement + " only in packet-up mode")
-		}
-	default:
-		return nil, errors.New("unsupported uplink data placement: " + c.UplinkDataPlacement)
-	}
-
-	if c.UplinkHTTPMethod == "" {
-		c.UplinkHTTPMethod = "POST"
-	}
-	c.UplinkHTTPMethod = strings.ToUpper(c.UplinkHTTPMethod)
-
-	if c.UplinkHTTPMethod == "GET" && c.Mode != "packet-up" {
-		return nil, errors.New("uplinkHTTPMethod can be GET only in packet-up mode")
-	}
-
-	switch c.SessionIDPlacement {
-	case "":
-		c.SessionIDPlacement = "path"
-	case "path", "cookie", "header", "query":
-	default:
-		return nil, errors.New("unsupported session placement: " + c.SessionIDPlacement)
-	}
-
-	switch c.SeqPlacement {
-	case "":
-		c.SeqPlacement = "path"
-	case "path", "cookie", "header", "query":
-	default:
-		return nil, errors.New("unsupported seq placement: " + c.SeqPlacement)
-	}
-
-	if c.SessionIDPlacement != "path" && c.SessionIDKey == "" {
-		switch c.SessionIDPlacement {
-		case "cookie", "query":
-			c.SessionIDKey = "x_session"
-		case "header":
-			c.SessionIDKey = "X-Session"
-		}
-	}
-
-	if c.SessionIDTable != "" {
-		if predefined, ok := splithttp.PredefinedTable[c.SessionIDTable]; ok {
-			c.SessionIDTable = predefined
-		}
-		room := roomSize(len(c.SessionIDTable), c.SessionIDLength.From, c.SessionIDLength.To)
-		// 2.1B possiblities should be enough
-		if room.Cmp(big.NewInt(2<<30)) < 0 {
-			return nil, errors.New("sessionIDTable or sessionIDLength is too small")
-		}
-		if c.SessionIDLength.From <= 0 {
-			return nil, errors.New("sessionIDLength.from must be greater than 0")
-		}
-		for i := 0; i < len(c.SessionIDTable); i++ {
-			if c.SessionIDTable[i] >= 0x80 {
-				return nil, errors.New("sessionIDTable must contain only ASCII characters")
-			}
-		}
-	}
-
-	if c.SeqPlacement != "path" && c.SeqKey == "" {
-		switch c.SeqPlacement {
-		case "cookie", "query":
-			c.SeqKey = "x_seq"
-		case "header":
-			c.SeqKey = "X-Seq"
-		}
-	}
-
-	if c.UplinkDataPlacement != splithttp.PlacementBody && c.UplinkDataKey == "" {
-		switch c.UplinkDataPlacement {
-		case splithttp.PlacementCookie:
-			c.UplinkDataKey = "x_data"
-		case splithttp.PlacementAuto, splithttp.PlacementHeader:
-			c.UplinkDataKey = "X-Data"
-		}
-	}
-
-	if c.ServerMaxHeaderBytes < 0 {
-		return nil, errors.New("invalid negative value of maxHeaderBytes")
-	}
-
-	if c.Xmux.MaxConnections.To > 0 && c.Xmux.MaxConcurrency.To > 0 {
-		return nil, errors.New("maxConnections cannot be specified together with maxConcurrency")
-	}
-	if c.Xmux == (XmuxConfig{}) {
-		c.Xmux.MaxConnections.From = 3
-		c.Xmux.MaxConnections.To = 3
-		c.Xmux.HMaxRequestTimes.From = 600
-		c.Xmux.HMaxRequestTimes.To = 900
-		c.Xmux.HMaxReusableSecs.From = 1800
-		c.Xmux.HMaxReusableSecs.To = 3000
-	}
-
-	config := &splithttp.Config{
-		Host:                 c.Host,
-		Path:                 c.Path,
-		Mode:                 c.Mode,
-		Headers:              c.Headers,
-		XPaddingBytes:        newRangeConfig(c.XPaddingBytes),
-		XPaddingObfsMode:     c.XPaddingObfsMode,
-		XPaddingKey:          c.XPaddingKey,
-		XPaddingHeader:       c.XPaddingHeader,
-		XPaddingPlacement:    c.XPaddingPlacement,
-		XPaddingMethod:       c.XPaddingMethod,
-		UplinkHTTPMethod:     c.UplinkHTTPMethod,
-		SessionIDPlacement:   c.SessionIDPlacement,
-		SeqPlacement:         c.SeqPlacement,
-		SessionIDKey:         c.SessionIDKey,
-		SeqKey:               c.SeqKey,
-		UplinkDataPlacement:  c.UplinkDataPlacement,
-		UplinkDataKey:        c.UplinkDataKey,
-		UplinkChunkSize:      newRangeConfig(c.UplinkChunkSize),
-		NoGRPCHeader:         c.NoGRPCHeader,
-		NoSSEHeader:          c.NoSSEHeader,
-		ScMaxEachPostBytes:   newRangeConfig(c.ScMaxEachPostBytes),
-		ScMinPostsIntervalMs: newRangeConfig(c.ScMinPostsIntervalMs),
-		ScMaxBufferedPosts:   c.ScMaxBufferedPosts,
-		ScStreamUpServerSecs: newRangeConfig(c.ScStreamUpServerSecs),
-		ServerMaxHeaderBytes: c.ServerMaxHeaderBytes,
-		SessionIDTable:       c.SessionIDTable,
-		SessionIDLength:      newRangeConfig(c.SessionIDLength),
-		Xmux: &splithttp.XmuxConfig{
-			MaxConcurrency:   newRangeConfig(c.Xmux.MaxConcurrency),
-			MaxConnections:   newRangeConfig(c.Xmux.MaxConnections),
-			CMaxReuseTimes:   newRangeConfig(c.Xmux.CMaxReuseTimes),
-			HMaxRequestTimes: newRangeConfig(c.Xmux.HMaxRequestTimes),
-			HMaxReusableSecs: newRangeConfig(c.Xmux.HMaxReusableSecs),
-			HKeepAlivePeriod: c.Xmux.HKeepAlivePeriod,
-		},
-	}
-
-	if c.DownloadSettings != nil {
-		if c.Mode == "stream-one" {
-			return nil, errors.New(`Can not use "downloadSettings" in "stream-one" mode.`)
-		}
-		var err error
-		if config.DownloadSettings, err = c.DownloadSettings.Build(); err != nil {
-			return nil, errors.New(`Failed to build "downloadSettings".`).Base(err)
-		}
-	}
-
-	return config, nil
-}
-
-func roomSize(tableSize int, min, max int32) *big.Int {
-	base := big.NewInt(int64(tableSize))
-	sum := new(big.Int)
-	term := new(big.Int)
-	for k := min; k <= max; k++ {
-		term.Exp(base, big.NewInt(int64(k)), nil)
-		sum.Add(sum, term)
-	}
-	return sum
-}
-
-type KCPConfig struct {
-	Mtu              *uint32 `json:"mtu"`
-	Tti              *uint32 `json:"tti"`
-	UpCap            *uint32 `json:"uplinkCapacity"`
-	DownCap          *uint32 `json:"downlinkCapacity"`
-	CwndMultiplier   *uint32 `json:"cwndMultiplier"`
-	MaxSendingWindow *uint32 `json:"maxSendingWindow"`
-
-	HeaderConfig json.RawMessage `json:"header"`
-	Seed         *string         `json:"seed"`
-}
-
-// Build implements Buildable.
-func (c *KCPConfig) Build() (proto.Message, error) {
-	config := common.Must2(internet.CreateTransportConfig(kcp.ProtocolName)).(*kcp.Config)
-
-	if c.Mtu != nil {
-		config.Mtu = *c.Mtu
-	}
-	if c.Tti != nil {
-		config.Tti = *c.Tti
-	}
-	if c.UpCap != nil {
-		config.UplinkCapacity = *c.UpCap
-	}
-	if c.DownCap != nil {
-		config.DownlinkCapacity = *c.DownCap
-	}
-	if c.CwndMultiplier != nil {
-		config.CwndMultiplier = *c.CwndMultiplier
-	}
-	if c.MaxSendingWindow != nil {
-		config.MaxSendingWindow = *c.MaxSendingWindow
-	}
-
-	if config.Mtu < 21 {
-		return nil, errors.New("MTU must be at least 21")
-	}
-	if config.Tti < 10 || config.Tti > 1000 {
-		return nil, errors.New("TTI must be between 10 and 1000")
-	}
-	if config.CwndMultiplier < 1 {
-		return nil, errors.New("CwndMultiplier must be at least 1")
-	}
-	if config.GetSendingBufferSize() == 0 {
-		return nil, errors.New("MaxSendingWindow must be at least ", config.Mtu)
-	}
-
-	return config, nil
-}
-
-type GRPCConfig struct {
-	Authority           string `json:"authority"`
-	ServiceName         string `json:"serviceName"`
-	MultiMode           bool   `json:"multiMode"`
-	IdleTimeout         int32  `json:"idle_timeout"`
-	HealthCheckTimeout  int32  `json:"health_check_timeout"`
-	PermitWithoutStream bool   `json:"permit_without_stream"`
-	InitialWindowsSize  int32  `json:"initial_windows_size"`
-	UserAgent           string `json:"user_agent"`
-}
-
-func (g *GRPCConfig) Build() (proto.Message, error) {
-	if g.IdleTimeout <= 0 {
-		g.IdleTimeout = 0
-	}
-	if g.HealthCheckTimeout <= 0 {
-		g.HealthCheckTimeout = 0
-	}
-	if g.InitialWindowsSize < 0 {
-		// default window size of gRPC-go
-		g.InitialWindowsSize = 0
-	}
-
-	return &grpc.Config{
-		Authority:           g.Authority,
-		ServiceName:         g.ServiceName,
-		MultiMode:           g.MultiMode,
-		IdleTimeout:         g.IdleTimeout,
-		HealthCheckTimeout:  g.HealthCheckTimeout,
-		PermitWithoutStream: g.PermitWithoutStream,
-		InitialWindowsSize:  g.InitialWindowsSize,
-		UserAgent:           g.UserAgent,
-	}, nil
-}
-
-type WebSocketConfig struct {
-	Host                string            `json:"host"`
-	Path                string            `json:"path"`
-	Headers             map[string]string `json:"headers"`
-	AcceptProxyProtocol bool              `json:"acceptProxyProtocol"`
-	HeartbeatPeriod     uint32            `json:"heartbeatPeriod"`
-}
-
-// Build implements Buildable.
-func (c *WebSocketConfig) Build() (proto.Message, error) {
-	path := c.Path
-	var ed uint32
-	if u, err := url.Parse(path); err == nil {
-		if q := u.Query(); q.Get("ed") != "" {
-			Ed, _ := strconv.Atoi(q.Get("ed"))
-			ed = uint32(Ed)
-			q.Del("ed")
-			u.RawQuery = q.Encode()
-			path = u.String()
-		}
-	}
-	// Priority (client): host > serverName > address
-	for k, v := range c.Headers {
-		if strings.ToLower(k) == "host" {
-			errors.PrintDeprecatedFeatureWarning(`"host" in "headers"`, `independent "host"`)
-			if c.Host == "" {
-				c.Host = v
-			}
-			delete(c.Headers, k)
-		}
-	}
-	config := &websocket.Config{
-		Path:                path,
-		Host:                c.Host,
-		Header:              c.Headers,
-		AcceptProxyProtocol: c.AcceptProxyProtocol,
-		Ed:                  ed,
-		HeartbeatPeriod:     c.HeartbeatPeriod,
-	}
-	return config, nil
-}
-
-type HttpUpgradeConfig struct {
-	Host                string            `json:"host"`
-	Path                string            `json:"path"`
-	Headers             map[string]string `json:"headers"`
-	AcceptProxyProtocol bool              `json:"acceptProxyProtocol"`
-}
-
-// Build implements Buildable.
-func (c *HttpUpgradeConfig) Build() (proto.Message, error) {
-	path := c.Path
-	var ed uint32
-	if u, err := url.Parse(path); err == nil {
-		if q := u.Query(); q.Get("ed") != "" {
-			Ed, _ := strconv.Atoi(q.Get("ed"))
-			ed = uint32(Ed)
-			q.Del("ed")
-			u.RawQuery = q.Encode()
-			path = u.String()
-		}
-	}
-	// Priority (client): host > serverName > address
-	for k := range c.Headers {
-		if strings.ToLower(k) == "host" {
-			return nil, errors.New(`"headers" can't contain "host"`)
-		}
-	}
-	config := &httpupgrade.Config{
-		Path:                path,
-		Host:                c.Host,
-		Header:              c.Headers,
-		AcceptProxyProtocol: c.AcceptProxyProtocol,
-		Ed:                  ed,
-	}
-	return config, nil
-}
-
-const (
-	Byte     = 1
-	Kilobyte = 1024 * Byte
-	Megabyte = 1024 * Kilobyte
-	Gigabyte = 1024 * Megabyte
-	Terabyte = 1024 * Gigabyte
-)
-
-type Bandwidth string
-
-func (b Bandwidth) Bps() (uint64, error) {
-	s := strings.TrimSpace(strings.ToLower(string(b)))
-	if s == "" {
-		return 0, nil
-	}
-
-	idx := len(s)
-	for i, c := range s {
-		if (c < '0' || c > '9') && c != '.' {
-			idx = i
-			break
-		}
-	}
-
-	numStr := s[:idx]
-	unit := strings.TrimSpace(s[idx:])
-
-	val, err := strconv.ParseFloat(numStr, 64)
-	if err != nil {
-		return 0, err
-	}
-
-	mul := uint64(1)
-	switch unit {
-	case "", "b", "bps":
-		mul = Byte
-	case "k", "kb", "kbps":
-		mul = Kilobyte
-	case "m", "mb", "mbps":
-		mul = Megabyte
-	case "g", "gb", "gbps":
-		mul = Gigabyte
-	case "t", "tb", "tbps":
-		mul = Terabyte
-	default:
-		return 0, errors.New("unsupported unit: " + unit)
-	}
-
-	return uint64(val*float64(mul)) / 8, nil
-}
-
-type Masquerade struct {
-	Type string `json:"type"`
-
-	Dir string `json:"dir"`
-
-	Url         string `json:"url"`
-	RewriteHost bool   `json:"rewriteHost"`
-	XForwarded  bool   `json:"xForwarded"`
-	Insecure    bool   `json:"insecure"`
-
-	Content    string            `json:"content"`
-	Headers    map[string]string `json:"headers"`
-	StatusCode int32             `json:"statusCode"`
-}
-
-type HysteriaConfig struct {
-	Version        int32      `json:"version"`
-	Auth           string     `json:"auth"`
-	UdpIdleTimeout int64      `json:"udpIdleTimeout"`
-	Masquerade     Masquerade `json:"masquerade"`
-}
-
-func (c *HysteriaConfig) Build() (proto.Message, error) {
-	if c.Version != 2 {
-		return nil, errors.New("version != 2")
-	}
-
-	if c.UdpIdleTimeout != 0 && (c.UdpIdleTimeout < 2 || c.UdpIdleTimeout > 600) {
-		return nil, errors.New("UdpIdleTimeout must be between 2 and 600")
-	}
-
-	config := &hysteria.Config{}
-	config.Auth = c.Auth
-	config.UdpIdleTimeout = c.UdpIdleTimeout
-	config.MasqType = c.Masquerade.Type
-	config.MasqFile = c.Masquerade.Dir
-	config.MasqUrl = c.Masquerade.Url
-	config.MasqUrlRewriteHost = c.Masquerade.RewriteHost
-	config.MasqUrlXForwarded = c.Masquerade.XForwarded
-	config.MasqUrlInsecure = c.Masquerade.Insecure
-	config.MasqString = c.Masquerade.Content
-	config.MasqStringHeaders = c.Masquerade.Headers
-	config.MasqStringStatusCode = c.Masquerade.StatusCode
-
-	if config.UdpIdleTimeout == 0 {
-		config.UdpIdleTimeout = 60
-	}
-
-	return config, nil
-}
-
-func readFileOrString(f string, s []string) ([]byte, error) {
-	if len(f) > 0 {
-		return filesystem.ReadCert(f)
-	}
-	if len(s) > 0 {
-		return []byte(strings.Join(s, "\n")), nil
-	}
-	return nil, errors.New("both file and bytes are empty.")
-}
@@ -1,408 +0,0 @@
-package conf
-
-import (
-	"context"
-	"encoding/base64"
-	"encoding/hex"
-	"encoding/json"
-	"net/url"
-	"runtime"
-	"strconv"
-	"strings"
-	"syscall"
-
-	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/transport/internet/reality"
-	"github.com/xtls/xray-core/transport/internet/tls"
-	"google.golang.org/protobuf/proto"
-)
-
-type LimitFallback struct {
-	AfterBytes       uint64
-	BytesPerSec      uint64
-	BurstBytesPerSec uint64
-}
-
-type REALITYConfig struct {
-	MasterKeyLog string          `json:"masterKeyLog"`
-	Show         bool            `json:"show"`
-	Target       json.RawMessage `json:"target"`
-	Dest         json.RawMessage `json:"dest"`
-	Type         string          `json:"type"`
-	Xver         uint64          `json:"xver"`
-	ServerNames  []string        `json:"serverNames"`
-	PrivateKey   string          `json:"privateKey"`
-	MinClientVer string          `json:"minClientVer"`
-	MaxClientVer string          `json:"maxClientVer"`
-	MaxTimeDiff  uint64          `json:"maxTimeDiff"`
-	ShortIds     []string        `json:"shortIds"`
-	Mldsa65Seed  string          `json:"mldsa65Seed"`
-
-	LimitFallbackUpload   LimitFallback `json:"limitFallbackUpload"`
-	LimitFallbackDownload LimitFallback `json:"limitFallbackDownload"`
-
-	Fingerprint   string `json:"fingerprint"`
-	ServerName    string `json:"serverName"`
-	Password      string `json:"password"`
-	PublicKey     string `json:"publicKey"`
-	ShortId       string `json:"shortId"`
-	Mldsa65Verify string `json:"mldsa65Verify"`
-	SpiderX       string `json:"spiderX"`
-}
-
-func (c *REALITYConfig) Build() (proto.Message, error) {
-	config := new(reality.Config)
-	config.MasterKeyLog = c.MasterKeyLog
-	config.Show = c.Show
-	var err error
-	if c.Target != nil {
-		c.Dest = c.Target
-	}
-	if c.Dest != nil {
-		var i uint16
-		var s string
-		if err = json.Unmarshal(c.Dest, &i); err == nil {
-			s = strconv.Itoa(int(i))
-		} else {
-			_ = json.Unmarshal(c.Dest, &s)
-		}
-		if c.Type == "" && s != "" {
-			switch s[0] {
-			case '@', '/':
-				c.Type = "unix"
-				if s[0] == '@' && len(s) > 1 && s[1] == '@' && (runtime.GOOS == "linux" || runtime.GOOS == "android") {
-					fullAddr := make([]byte, len(syscall.RawSockaddrUnix{}.Path)) // may need padding to work with haproxy
-					copy(fullAddr, s[1:])
-					s = string(fullAddr)
-				}
-			default:
-				if _, err = strconv.Atoi(s); err == nil {
-					s = "localhost:" + s
-				}
-				if _, _, err = net.SplitHostPort(s); err == nil {
-					c.Type = "tcp"
-				}
-			}
-		}
-		if c.Type == "" {
-			return nil, errors.New(`please fill in a valid value for "target"`)
-		}
-		if c.Xver > 2 {
-			return nil, errors.New(`invalid PROXY protocol version, "xver" only accepts 0, 1, 2`)
-		}
-		if len(c.ServerNames) == 0 {
-			return nil, errors.New(`empty "serverNames"`)
-		}
-		if c.PrivateKey == "" {
-			return nil, errors.New(`empty "privateKey"`)
-		}
-		if config.PrivateKey, err = base64.RawURLEncoding.DecodeString(c.PrivateKey); err != nil || len(config.PrivateKey) != 32 {
-			return nil, errors.New(`invalid "privateKey": `, c.PrivateKey)
-		}
-		if c.MinClientVer != "" {
-			config.MinClientVer = make([]byte, 3)
-			var u uint64
-			for i, s := range strings.Split(c.MinClientVer, ".") {
-				if i == 3 {
-					return nil, errors.New(`invalid "minClientVer": `, c.MinClientVer)
-				}
-				if u, err = strconv.ParseUint(s, 10, 8); err != nil {
-					return nil, errors.New(`"minClientVer[`, i, `]" should be less than 256`)
-				} else {
-					config.MinClientVer[i] = byte(u)
-				}
-			}
-			// errors.LogWarning(context.Background(), `REALITY: Changing "minClientVer" will increase the likelihood of your server's IP being blocked by the GFW`)
-		} else {
-			// config.MinClientVer = []byte{26, 3, 27} // change it at your own risk: https://github.com/XTLS/Xray-core/commit/af7eb68028732a8ee3c0e5d6ab2b8a657bb2e770
-			// errors.LogWarning(context.Background(), `REALITY: The default minimal client version is Xray-core v26.3.27, other clients may be refused to connect`)
-		}
-		if c.MaxClientVer != "" {
-			config.MaxClientVer = make([]byte, 3)
-			var u uint64
-			for i, s := range strings.Split(c.MaxClientVer, ".") {
-				if i == 3 {
-					return nil, errors.New(`invalid "maxClientVer": `, c.MaxClientVer)
-				}
-				if u, err = strconv.ParseUint(s, 10, 8); err != nil {
-					return nil, errors.New(`"maxClientVer[`, i, `]" should be less than 256`)
-				} else {
-					config.MaxClientVer[i] = byte(u)
-				}
-			}
-		}
-		if len(c.ShortIds) == 0 {
-			return nil, errors.New(`empty "shortIds"`)
-		}
-		config.ShortIds = make([][]byte, len(c.ShortIds))
-		for i, s := range c.ShortIds {
-			if len(s) > 16 {
-				return nil, errors.New(`too long "shortIds[`, i, `]": `, s)
-			}
-			config.ShortIds[i] = make([]byte, 8)
-			if _, err = hex.Decode(config.ShortIds[i], []byte(s)); err != nil {
-				return nil, errors.New(`invalid "shortIds[`, i, `]": `, s)
-			}
-		}
-		config.Dest = s
-		config.Type = c.Type
-		config.Xver = c.Xver
-		config.ServerNames = c.ServerNames
-		config.MaxTimeDiff = c.MaxTimeDiff
-
-		if c.Mldsa65Seed != "" {
-			if c.Mldsa65Seed == c.PrivateKey {
-				return nil, errors.New(`"mldsa65Seed" and "privateKey" can not be the same value: `, c.Mldsa65Seed)
-			}
-			if config.Mldsa65Seed, err = base64.RawURLEncoding.DecodeString(c.Mldsa65Seed); err != nil || len(config.Mldsa65Seed) != 32 {
-				return nil, errors.New(`invalid "mldsa65Seed": `, c.Mldsa65Seed)
-			}
-		}
-
-		for _, sn := range config.ServerNames {
-			sn = strings.ToLower(sn)
-			if strings.HasSuffix(sn, ".ru") || strings.HasSuffix(sn, ".ir") || strings.HasSuffix(sn, ".cn") ||
-				strings.Contains(sn, "apple") || strings.Contains(sn, "icloud") || strings.Contains(sn, "microsoft") {
-				errors.LogWarning(context.Background(), `REALITY: Choosing "`, sn, `" as the target will increase the likelihood of your server's IP being blocked by the GFW`)
-			}
-		}
-
-		config.LimitFallbackUpload = new(reality.LimitFallback)
-		config.LimitFallbackUpload.AfterBytes = c.LimitFallbackUpload.AfterBytes
-		config.LimitFallbackUpload.BytesPerSec = c.LimitFallbackUpload.BytesPerSec
-		config.LimitFallbackUpload.BurstBytesPerSec = c.LimitFallbackUpload.BurstBytesPerSec
-		config.LimitFallbackDownload = new(reality.LimitFallback)
-		config.LimitFallbackDownload.AfterBytes = c.LimitFallbackDownload.AfterBytes
-		config.LimitFallbackDownload.BytesPerSec = c.LimitFallbackDownload.BytesPerSec
-		config.LimitFallbackDownload.BurstBytesPerSec = c.LimitFallbackDownload.BurstBytesPerSec
-	} else {
-		config.Fingerprint = strings.ToLower(c.Fingerprint)
-		if config.Fingerprint == "unsafe" || config.Fingerprint == "hellogolang" {
-			return nil, errors.New(`invalid "fingerprint": `, config.Fingerprint)
-		}
-		if tls.GetFingerprint(config.Fingerprint) == nil {
-			return nil, errors.New(`unknown "fingerprint": `, config.Fingerprint)
-		}
-		if len(c.ServerNames) != 0 {
-			return nil, errors.New(`non-empty "serverNames", please use "serverName" instead`)
-		}
-		if c.Password != "" {
-			c.PublicKey = c.Password
-		}
-		if c.PublicKey == "" {
-			return nil, errors.New(`empty "password"`)
-		}
-		if config.PublicKey, err = base64.RawURLEncoding.DecodeString(c.PublicKey); err != nil || len(config.PublicKey) != 32 {
-			return nil, errors.New(`invalid "password": `, c.PublicKey)
-		}
-		if len(c.ShortIds) != 0 {
-			return nil, errors.New(`non-empty "shortIds", please use "shortId" instead`)
-		}
-		if len(c.ShortId) > 16 {
-			return nil, errors.New(`too long "shortId": `, c.ShortId)
-		}
-		config.ShortId = make([]byte, 8)
-		if _, err = hex.Decode(config.ShortId, []byte(c.ShortId)); err != nil {
-			return nil, errors.New(`invalid "shortId": `, c.ShortId)
-		}
-		if c.Mldsa65Verify != "" {
-			if config.Mldsa65Verify, err = base64.RawURLEncoding.DecodeString(c.Mldsa65Verify); err != nil || len(config.Mldsa65Verify) != 1952 {
-				return nil, errors.New(`invalid "mldsa65Verify": `, c.Mldsa65Verify)
-			}
-		}
-		if c.SpiderX == "" {
-			c.SpiderX = "/"
-		}
-		if c.SpiderX[0] != '/' {
-			return nil, errors.New(`invalid "spiderX": `, c.SpiderX)
-		}
-		config.SpiderY = make([]int64, 10)
-		u, _ := url.Parse(c.SpiderX)
-		q := u.Query()
-		parse := func(param string, index int) {
-			if q.Get(param) != "" {
-				s := strings.Split(q.Get(param), "-")
-				if len(s) == 1 {
-					config.SpiderY[index], _ = strconv.ParseInt(s[0], 10, 64)
-					config.SpiderY[index+1], _ = strconv.ParseInt(s[0], 10, 64)
-				} else {
-					config.SpiderY[index], _ = strconv.ParseInt(s[0], 10, 64)
-					config.SpiderY[index+1], _ = strconv.ParseInt(s[1], 10, 64)
-				}
-			}
-			q.Del(param)
-		}
-		parse("p", 0) // padding
-		parse("c", 2) // concurrency
-		parse("t", 4) // times
-		parse("i", 6) // interval
-		parse("r", 8) // return
-		u.RawQuery = q.Encode()
-		config.SpiderX = u.String()
-		config.ServerName = c.ServerName
-	}
-	return config, nil
-}
-
-type TLSCertConfig struct {
-	CertFile       string   `json:"certificateFile"`
-	CertStr        []string `json:"certificate"`
-	KeyFile        string   `json:"keyFile"`
-	KeyStr         []string `json:"key"`
-	Usage          string   `json:"usage"`
-	OcspStapling   uint64   `json:"ocspStapling"`
-	OneTimeLoading bool     `json:"oneTimeLoading"`
-	BuildChain     bool     `json:"buildChain"`
-}
-
-// Build implements Buildable.
-func (c *TLSCertConfig) Build() (*tls.Certificate, error) {
-	certificate := new(tls.Certificate)
-
-	cert, err := readFileOrString(c.CertFile, c.CertStr)
-	if err != nil {
-		return nil, errors.New("failed to parse certificate").Base(err)
-	}
-	certificate.Certificate = cert
-	certificate.CertificatePath = c.CertFile
-
-	if len(c.KeyFile) > 0 || len(c.KeyStr) > 0 {
-		key, err := readFileOrString(c.KeyFile, c.KeyStr)
-		if err != nil {
-			return nil, errors.New("failed to parse key").Base(err)
-		}
-		certificate.Key = key
-		certificate.KeyPath = c.KeyFile
-	}
-
-	switch strings.ToLower(c.Usage) {
-	case "encipherment":
-		certificate.Usage = tls.Certificate_ENCIPHERMENT
-	case "verify":
-		certificate.Usage = tls.Certificate_AUTHORITY_VERIFY
-	case "issue":
-		certificate.Usage = tls.Certificate_AUTHORITY_ISSUE
-	default:
-		certificate.Usage = tls.Certificate_ENCIPHERMENT
-	}
-	if certificate.KeyPath == "" && certificate.CertificatePath == "" {
-		certificate.OneTimeLoading = true
-	} else {
-		certificate.OneTimeLoading = c.OneTimeLoading
-	}
-	certificate.OcspStapling = c.OcspStapling
-	certificate.BuildChain = c.BuildChain
-
-	return certificate, nil
-}
-
-type TLSConfig struct {
-	AllowInsecure           bool             `json:"allowInsecure"`
-	Certs                   []*TLSCertConfig `json:"certificates"`
-	ServerName              string           `json:"serverName"`
-	ALPN                    *StringList      `json:"alpn"`
-	EnableSessionResumption bool             `json:"enableSessionResumption"`
-	DisableSystemRoot       bool             `json:"disableSystemRoot"`
-	MinVersion              string           `json:"minVersion"`
-	MaxVersion              string           `json:"maxVersion"`
-	CipherSuites            string           `json:"cipherSuites"`
-	Fingerprint             string           `json:"fingerprint"`
-	RejectUnknownSNI        bool             `json:"rejectUnknownSni"`
-	CurvePreferences        *StringList      `json:"curvePreferences"`
-	MasterKeyLog            string           `json:"masterKeyLog"`
-	PinnedPeerCertSha256    string           `json:"pinnedPeerCertSha256"`
-	VerifyPeerCertByName    string           `json:"verifyPeerCertByName"`
-	ECHServerKeys           string           `json:"echServerKeys"`
-	ECHConfigList           string           `json:"echConfigList"`
-	ECHSocketSettings       *SocketConfig    `json:"echSockopt"`
-}
-
-// Build implements Buildable.
-func (c *TLSConfig) Build() (proto.Message, error) {
-	config := new(tls.Config)
-	config.Certificate = make([]*tls.Certificate, len(c.Certs))
-	for idx, certConf := range c.Certs {
-		cert, err := certConf.Build()
-		if err != nil {
-			return nil, err
-		}
-		config.Certificate[idx] = cert
-	}
-	serverName := c.ServerName
-	if len(c.ServerName) > 0 {
-		config.ServerName = serverName
-	}
-	if c.ALPN != nil && len(*c.ALPN) > 0 {
-		config.NextProtocol = []string(*c.ALPN)
-	}
-	if len(config.NextProtocol) > 1 {
-		for _, p := range config.NextProtocol {
-			if tls.IsFromMitm(p) {
-				return nil, errors.New(`only one element is allowed in "alpn" when using "fromMitm" in it`)
-			}
-		}
-	}
-	if c.CurvePreferences != nil && len(*c.CurvePreferences) > 0 {
-		config.CurvePreferences = []string(*c.CurvePreferences)
-	}
-	config.EnableSessionResumption = c.EnableSessionResumption
-	config.DisableSystemRoot = c.DisableSystemRoot
-	config.MinVersion = c.MinVersion
-	config.MaxVersion = c.MaxVersion
-	config.CipherSuites = c.CipherSuites
-	config.Fingerprint = strings.ToLower(c.Fingerprint)
-	if config.Fingerprint != "unsafe" && tls.GetFingerprint(config.Fingerprint) == nil {
-		return nil, errors.New(`unknown "fingerprint": `, config.Fingerprint)
-	}
-	config.RejectUnknownSni = c.RejectUnknownSNI
-	config.MasterKeyLog = c.MasterKeyLog
-
-	if c.AllowInsecure {
-		return nil, errors.PrintRemovedFeatureError(`"allowInsecure"`, `"pinnedPeerCertSha256"(pcs) and "verifyPeerCertByName"(vcn)`)
-	}
-	if c.PinnedPeerCertSha256 != "" {
-		for v := range strings.SplitSeq(c.PinnedPeerCertSha256, ",") {
-			v = strings.TrimSpace(v)
-			if v == "" {
-				continue
-			}
-			// remove colons for OpenSSL format
-			hashValue, err := hex.DecodeString(strings.ReplaceAll(v, ":", ""))
-			if err != nil {
-				return nil, err
-			}
-			if len(hashValue) != 32 {
-				return nil, errors.New("incorrect pinnedPeerCertSha256 length: ", v)
-			}
-			config.PinnedPeerCertSha256 = append(config.PinnedPeerCertSha256, hashValue)
-		}
-	}
-	if c.VerifyPeerCertByName != "" {
-		for v := range strings.SplitSeq(c.VerifyPeerCertByName, ",") {
-			v = strings.TrimSpace(v)
-			if v == "" {
-				continue
-			}
-			config.VerifyPeerCertByName = append(config.VerifyPeerCertByName, v)
-		}
-	}
-
-	if c.ECHServerKeys != "" {
-		EchPrivateKey, err := base64.StdEncoding.DecodeString(c.ECHServerKeys)
-		if err != nil {
-			return nil, errors.New("invalid ECH Config", c.ECHServerKeys)
-		}
-		config.EchServerKeys = EchPrivateKey
-	}
-	config.EchConfigList = c.ECHConfigList
-	if c.ECHSocketSettings != nil {
-		ss, err := c.ECHSocketSettings.Build()
-		if err != nil {
-			return nil, errors.New("Failed to build ech sockopt.").Base(err)
-		}
-		config.EchSocketSettings = ss
-	}
-
-	return config, nil
-}
@@ -1,187 +0,0 @@
-package conf
-
-import (
-	"encoding/json"
-	"math"
-	"strings"
-
-	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/transport/internet"
-)
-
-type CustomSockoptConfig struct {
-	System  string `json:"system"`
-	Network string `json:"network"`
-	Level   string `json:"level"`
-	Opt     string `json:"opt"`
-	Value   string `json:"value"`
-	Type    string `json:"type"`
-}
-
-type HappyEyeballsConfig struct {
-	PrioritizeIPv6   bool   `json:"prioritizeIPv6"`
-	TryDelayMs       uint64 `json:"tryDelayMs"`
-	Interleave       uint32 `json:"interleave"`
-	MaxConcurrentTry uint32 `json:"maxConcurrentTry"`
-}
-
-func (h *HappyEyeballsConfig) UnmarshalJSON(data []byte) error {
-	innerHappyEyeballsConfig := struct {
-		PrioritizeIPv6   bool   `json:"prioritizeIPv6"`
-		TryDelayMs       uint64 `json:"tryDelayMs"`
-		Interleave       uint32 `json:"interleave"`
-		MaxConcurrentTry uint32 `json:"maxConcurrentTry"`
-	}{PrioritizeIPv6: false, Interleave: 1, TryDelayMs: 0, MaxConcurrentTry: 4}
-	if err := json.Unmarshal(data, &innerHappyEyeballsConfig); err != nil {
-		return err
-	}
-	h.PrioritizeIPv6 = innerHappyEyeballsConfig.PrioritizeIPv6
-	h.TryDelayMs = innerHappyEyeballsConfig.TryDelayMs
-	h.Interleave = innerHappyEyeballsConfig.Interleave
-	h.MaxConcurrentTry = innerHappyEyeballsConfig.MaxConcurrentTry
-	return nil
-}
-
-type SocketConfig struct {
-	Mark                  int32                  `json:"mark"`
-	TFO                   interface{}            `json:"tcpFastOpen"`
-	TProxy                string                 `json:"tproxy"`
-	AcceptProxyProtocol   bool                   `json:"acceptProxyProtocol"`
-	DomainStrategy        string                 `json:"domainStrategy"`
-	DialerProxy           string                 `json:"dialerProxy"`
-	TCPKeepAliveInterval  int32                  `json:"tcpKeepAliveInterval"`
-	TCPKeepAliveIdle      int32                  `json:"tcpKeepAliveIdle"`
-	TCPCongestion         string                 `json:"tcpCongestion"`
-	TCPWindowClamp        int32                  `json:"tcpWindowClamp"`
-	TCPMaxSeg             int32                  `json:"tcpMaxSeg"`
-	Penetrate             bool                   `json:"penetrate"`
-	TCPUserTimeout        int32                  `json:"tcpUserTimeout"`
-	V6only                bool                   `json:"v6only"`
-	Interface             string                 `json:"interface"`
-	TcpMptcp              bool                   `json:"tcpMptcp"`
-	CustomSockopt         []*CustomSockoptConfig `json:"customSockopt"`
-	AddressPortStrategy   string                 `json:"addressPortStrategy"`
-	HappyEyeballsSettings *HappyEyeballsConfig   `json:"happyEyeballs"`
-	TrustedXForwardedFor  []string               `json:"trustedXForwardedFor"`
-}
-
-// Build implements Buildable.
-func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
-	tfo := int32(0) // don't invoke setsockopt() for TFO
-	if c.TFO != nil {
-		switch v := c.TFO.(type) {
-		case bool:
-			if v {
-				tfo = 256
-			} else {
-				tfo = -1 // TFO need to be disabled
-			}
-		case float64:
-			tfo = int32(math.Min(v, math.MaxInt32))
-		default:
-			return nil, errors.New("tcpFastOpen: only boolean and integer value is acceptable")
-		}
-	}
-	var tproxy internet.SocketConfig_TProxyMode
-	switch strings.ToLower(c.TProxy) {
-	case "tproxy":
-		tproxy = internet.SocketConfig_TProxy
-	case "redirect":
-		tproxy = internet.SocketConfig_Redirect
-	default:
-		tproxy = internet.SocketConfig_Off
-	}
-
-	dStrategy := internet.DomainStrategy_AS_IS
-	switch strings.ToLower(c.DomainStrategy) {
-	case "asis", "":
-		dStrategy = internet.DomainStrategy_AS_IS
-	case "useip":
-		dStrategy = internet.DomainStrategy_USE_IP
-	case "useipv4":
-		dStrategy = internet.DomainStrategy_USE_IP4
-	case "useipv6":
-		dStrategy = internet.DomainStrategy_USE_IP6
-	case "useipv4v6":
-		dStrategy = internet.DomainStrategy_USE_IP46
-	case "useipv6v4":
-		dStrategy = internet.DomainStrategy_USE_IP64
-	case "forceip":
-		dStrategy = internet.DomainStrategy_FORCE_IP
-	case "forceipv4":
-		dStrategy = internet.DomainStrategy_FORCE_IP4
-	case "forceipv6":
-		dStrategy = internet.DomainStrategy_FORCE_IP6
-	case "forceipv4v6":
-		dStrategy = internet.DomainStrategy_FORCE_IP46
-	case "forceipv6v4":
-		dStrategy = internet.DomainStrategy_FORCE_IP64
-	default:
-		return nil, errors.New("unsupported domain strategy: ", c.DomainStrategy)
-	}
-
-	var customSockopts []*internet.CustomSockopt
-
-	for _, copt := range c.CustomSockopt {
-		customSockopt := &internet.CustomSockopt{
-			System:  copt.System,
-			Network: copt.Network,
-			Level:   copt.Level,
-			Opt:     copt.Opt,
-			Value:   copt.Value,
-			Type:    copt.Type,
-		}
-		customSockopts = append(customSockopts, customSockopt)
-	}
-
-	addressPortStrategy := internet.AddressPortStrategy_None
-	switch strings.ToLower(c.AddressPortStrategy) {
-	case "none", "":
-		addressPortStrategy = internet.AddressPortStrategy_None
-	case "srvportonly":
-		addressPortStrategy = internet.AddressPortStrategy_SrvPortOnly
-	case "srvaddressonly":
-		addressPortStrategy = internet.AddressPortStrategy_SrvAddressOnly
-	case "srvportandaddress":
-		addressPortStrategy = internet.AddressPortStrategy_SrvPortAndAddress
-	case "txtportonly":
-		addressPortStrategy = internet.AddressPortStrategy_TxtPortOnly
-	case "txtaddressonly":
-		addressPortStrategy = internet.AddressPortStrategy_TxtAddressOnly
-	case "txtportandaddress":
-		addressPortStrategy = internet.AddressPortStrategy_TxtPortAndAddress
-	default:
-		return nil, errors.New("unsupported address and port strategy: ", c.AddressPortStrategy)
-	}
-
-	happyEyeballs := &internet.HappyEyeballsConfig{Interleave: 1, PrioritizeIpv6: false, TryDelayMs: 0, MaxConcurrentTry: 4}
-	if c.HappyEyeballsSettings != nil {
-		happyEyeballs.PrioritizeIpv6 = c.HappyEyeballsSettings.PrioritizeIPv6
-		happyEyeballs.Interleave = c.HappyEyeballsSettings.Interleave
-		happyEyeballs.TryDelayMs = c.HappyEyeballsSettings.TryDelayMs
-		happyEyeballs.MaxConcurrentTry = c.HappyEyeballsSettings.MaxConcurrentTry
-	}
-
-	return &internet.SocketConfig{
-		Mark:                 c.Mark,
-		Tfo:                  tfo,
-		Tproxy:               tproxy,
-		DomainStrategy:       dStrategy,
-		AcceptProxyProtocol:  c.AcceptProxyProtocol,
-		DialerProxy:          c.DialerProxy,
-		TcpKeepAliveInterval: c.TCPKeepAliveInterval,
-		TcpKeepAliveIdle:     c.TCPKeepAliveIdle,
-		TcpCongestion:        c.TCPCongestion,
-		TcpWindowClamp:       c.TCPWindowClamp,
-		TcpMaxSeg:            c.TCPMaxSeg,
-		Penetrate:            c.Penetrate,
-		TcpUserTimeout:       c.TCPUserTimeout,
-		V6Only:               c.V6only,
-		Interface:            c.Interface,
-		TcpMptcp:             c.TcpMptcp,
-		CustomSockopt:        customSockopts,
-		AddressPortStrategy:  addressPortStrategy,
-		HappyEyeballs:        happyEyeballs,
-		TrustedXForwardedFor: c.TrustedXForwardedFor,
-	}, nil
-}
@@ -1,19 +1,12 @@
 package conf

 import (
-	"crypto/rand"
-	"fmt"
-	"math/big"
-	"net"
-	"strconv"
-
 	"github.com/xtls/xray-core/proxy/tun"
 	"google.golang.org/protobuf/proto"
 )

 type TunConfig struct {
 	Name                   string   `json:"name"`
-	Desc                   string   `json:"desc"`
 	MTU                    uint32   `json:"mtu"`
 	Gateway                []string `json:"gateway"`
 	DNS                    []string `json:"dns"`
@@ -25,7 +18,6 @@ type TunConfig struct {
 func (v *TunConfig) Build() (proto.Message, error) {
 	config := &tun.Config{
 		Name:                   v.Name,
-		Desc:                   v.Desc,
 		MTU:                    v.MTU,
 		Gateway:                v.Gateway,
 		DNS:                    v.DNS,
@@ -40,71 +32,10 @@ func (v *TunConfig) Build() (proto.Message, error) {
 	}

 	if config.Name == "" {
-		name, err := GetAvailableTunName()
-		if err != nil {
-			return nil, err
-		}
-		config.Name = name
-	}
-	if config.Desc == "" {
-		config.Desc = "Wintun"
+		config.Name = "xray0"
 	}
 	if config.MTU == 0 {
 		config.MTU = 1500
 	}
 	return config, nil
 }
-
-const (
-	tunNamePrefix = "utun"
-	minTunIndex   = 10
-	maxTunIndex   = 1024
-)
-
-func GetAvailableTunName() (string, error) {
-	interfaces, err := net.Interfaces()
-	if err != nil {
-		return "", fmt.Errorf("fail to get system interface information: %w", err)
-	}
-
-	usedNames := make(map[string]struct{}, len(interfaces))
-	for _, iface := range interfaces {
-		usedNames[iface.Name] = struct{}{}
-	}
-
-	startIndex, err := randomInt(minTunIndex, maxTunIndex)
-	if err != nil {
-		return "", fmt.Errorf("fail to generate valid tun name: %w", err)
-	}
-
-	rangeSize := maxTunIndex - minTunIndex + 1
-
-	for offset := 0; offset < rangeSize; offset++ {
-		index := minTunIndex + (startIndex-minTunIndex+offset)%rangeSize
-		name := tunNamePrefix + strconv.Itoa(index)
-
-		if _, exists := usedNames[name]; !exists {
-			return name, nil
-		}
-	}
-
-	return "", fmt.Errorf(
-		"no available TUN interface name in range %s%d-%s%d",
-		tunNamePrefix,
-		minTunIndex,
-		tunNamePrefix,
-		maxTunIndex,
-	)
-}
-
-func randomInt(min, max int) (int, error) {
-	value, err := rand.Int(
-		rand.Reader,
-		big.NewInt(int64(max-min+1)),
-	)
-	if err != nil {
-		return 0, err
-	}
-
-	return min + int(value.Int64()), nil
-}
@@ -312,9 +312,6 @@ func (c *VLessOutboundConfig) Build() (proto.Message, error) {
 				if err := json.Unmarshal(rawUser, account); err != nil {
 					return nil, errors.New(`VLESS users: invalid user`).Base(err)
 				}
-				// validateOutboundTransportSecurity needs to see these
-				c.Encryption = account.Encryption
-				c.Address = rec.Address
 				if account.Reverse != nil { // may not be reached: error json unmarshal
 					return nil, errors.New(`VLESS users: please use simplified outbound's config style to use "reverse"`)
 				}
@@ -31,6 +31,10 @@ func (a *VMessAccount) Build() *vmess.Account {
 		st = protocol.SecurityType_CHACHA20_POLY1305
 	case "auto":
 		st = protocol.SecurityType_AUTO
+	case "none":
+		st = protocol.SecurityType_NONE
+	case "zero":
+		st = protocol.SecurityType_ZERO
 	default:
 		st = protocol.SecurityType_AUTO
 	}
@@ -3,13 +3,9 @@ package conf
 import (
 	"encoding/base64"
 	"encoding/hex"
-	"strconv"
 	"strings"

 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/protocol"
-	"github.com/xtls/xray-core/common/serial"
-	"github.com/xtls/xray-core/common/task"
 	"github.com/xtls/xray-core/proxy/wireguard"
 	"google.golang.org/protobuf/proto"
 )
@@ -20,12 +16,9 @@ type WireGuardPeerConfig struct {
 	Endpoint     string   `json:"endpoint"`
 	KeepAlive    uint32   `json:"keepAlive"`
 	AllowedIPs   []string `json:"allowedIPs,omitempty"`
-
-	Level uint32 `json:"level"`
-	Email string `json:"email"`
 }

-func (c *WireGuardPeerConfig) Build() (*wireguard.PeerConfig, error) {
+func (c *WireGuardPeerConfig) Build() (proto.Message, error) {
 	var err error
 	config := new(wireguard.PeerConfig)

@@ -44,9 +37,8 @@ func (c *WireGuardPeerConfig) Build() (*wireguard.PeerConfig, error) {
 	}

 	config.Endpoint = c.Endpoint
-	if c.KeepAlive != 0 {
-		config.KeepAlive = strconv.FormatUint(uint64(c.KeepAlive), 10)
-	}
+	// default 0
+	config.KeepAlive = c.KeepAlive
 	if c.AllowedIPs == nil {
 		config.AllowedIps = []string{"0.0.0.0/0", "::0/0"}
 	} else {
@@ -64,9 +56,9 @@ type WireGuardConfig struct {
 	Address        []string               `json:"address"`
 	Peers          []*WireGuardPeerConfig `json:"peers"`
 	MTU            int32                  `json:"mtu"`
+	NumWorkers     int32                  `json:"workers"`
 	Reserved       []byte                 `json:"reserved"`
 	DomainStrategy string                 `json:"domainStrategy"`
-	DNS            []string               `json:"remoteDNS"`
 }

 func (c *WireGuardConfig) Build() (proto.Message, error) {
@@ -85,32 +77,14 @@ func (c *WireGuardConfig) Build() (proto.Message, error) {
 		config.Endpoint = c.Address
 	}

-	if c.IsClient {
+	if c.Peers != nil {
 		config.Peers = make([]*wireguard.PeerConfig, len(c.Peers))
 		for i, p := range c.Peers {
 			msg, err := p.Build()
 			if err != nil {
 				return nil, err
 			}
-			config.Peers[i] = msg
-		}
-	} else {
-		config.Users = make([]*protocol.User, len(c.Peers))
-		processUser := func(idx int) error {
-			p := c.Peers[idx]
-			m, err := p.Build()
-			if err != nil {
-				return err
-			}
-			config.Users[idx] = &protocol.User{
-				Email:   p.Email,
-				Level:   p.Level,
-				Account: serial.ToTypedMessage(m),
-			}
-			return nil
-		}
-		if err := task.ParallelForN(len(c.Peers), processUser); err != nil {
-			return nil, err
+			config.Peers[i] = msg.(*wireguard.PeerConfig)
 		}
 	}

@@ -119,6 +93,9 @@ func (c *WireGuardConfig) Build() (proto.Message, error) {
 	} else {
 		config.Mtu = c.MTU
 	}
+	// these a fallback code exists in wireguard-go code,
+	// we don't need to process fallback manually
+	config.NumWorkers = c.NumWorkers

 	if len(c.Reserved) != 0 && len(c.Reserved) != 3 {
 		return nil, errors.New(`"reserved" should be empty or 3 bytes`)
@@ -142,7 +119,6 @@ func (c *WireGuardConfig) Build() (proto.Message, error) {

 	config.IsClient = c.IsClient
 	config.NoKernelTun = c.NoKernelTun
-	config.DNS = c.DNS

 	return config, nil
 }
@@ -0,0 +1,52 @@
+package conf_test
+
+import (
+	"testing"
+
+	. "github.com/xtls/xray-core/infra/conf"
+	"github.com/xtls/xray-core/proxy/wireguard"
+)
+
+func TestWireGuardConfig(t *testing.T) {
+	creator := func() Buildable {
+		return new(WireGuardConfig)
+	}
+
+	runMultiTestCase(t, []TestCase{
+		{
+			Input: `{
+				"secretKey": "uJv5tZMDltsiYEn+kUwb0Ll/CXWhMkaSCWWhfPEZM3A=",
+				"address": ["10.1.1.1", "fd59:7153:2388:b5fd:0000:0000:1234:0001"],
+				"peers": [
+					{
+						"publicKey": "6e65ce0be17517110c17d77288ad87e7fd5252dcc7d09b95a39d61db03df832a",
+						"endpoint": "127.0.0.1:1234"
+					}
+				],
+				"mtu": 1300,
+				"workers": 2,
+				"domainStrategy": "ForceIPv6v4",
+				"noKernelTun": false
+			}`,
+			Parser: loadJSON(creator),
+			Output: &wireguard.DeviceConfig{
+				// key converted into hex form
+				SecretKey: "b89bf9b5930396db226049fe914c1bd0b97f0975a13246920965a17cf1193370",
+				Endpoint:  []string{"10.1.1.1", "fd59:7153:2388:b5fd:0000:0000:1234:0001"},
+				Peers: []*wireguard.PeerConfig{
+					{
+						// also can read from hex form directly
+						PublicKey:  "6e65ce0be17517110c17d77288ad87e7fd5252dcc7d09b95a39d61db03df832a",
+						Endpoint:   "127.0.0.1:1234",
+						KeepAlive:  0,
+						AllowedIps: []string{"0.0.0.0/0", "::0/0"},
+					},
+				},
+				Mtu:            1300,
+				NumWorkers:     2,
+				DomainStrategy: wireguard.DeviceConfig_FORCE_IP64,
+				NoKernelTun:    false,
+			},
+		},
+	})
+}
@@ -3,7 +3,6 @@ package conf
 import (
 	"context"
 	"encoding/json"
-	"os"
 	"path/filepath"
 	"strings"

@@ -15,7 +14,6 @@ import (
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/serial"
 	core "github.com/xtls/xray-core/core"
-	"github.com/xtls/xray-core/proxy/freedom"
 	"github.com/xtls/xray-core/transport/internet"
 )

@@ -141,7 +139,7 @@ func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
 	// TUN inbound doesn't need port configuration as it uses network interface instead
 	if strings.ToLower(c.Protocol) == "tun" {
 		// Skip port validation for TUN
-	} else if c.ListenOn == nil || len(c.ListenOn.String()) == 0 {
+	} else if c.ListenOn == nil {
 		// Listen on anyip, must set PortList
 		if c.PortList == nil {
 			return nil, errors.New("Listen on AnyIP but no Port(s) set in InboundDetour.")
@@ -175,9 +173,30 @@ func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
 			return nil, err
 		}
 		receiverSettings.StreamSettings = ss
+		// TODO: Actually implement this breaking change
+		protocol := ss.GetEffectiveProtocol()
+		if (protocol == "websocket" || protocol == "httpupgrade" || protocol == "splithttp") &&
+			(c.StreamSetting.SocketSettings == nil || len(c.StreamSetting.SocketSettings.TrustedXForwardedFor) == 0) {
+			errors.LogWarning(
+				context.Background(),
+				`====== SECURITY WARNING ======`,
+				"\n",
+				`inbound "`, c.Tag, `" using `, protocol, ` has not configured "sockopt.trustedXForwardedFor".`,
+				"\n",
+				`THIS IS VERY INSECURE!!!`,
+				"\n",
+				`For compatibility, Xray still allows this for now and still trusts X-Forwarded-For implicitly.`,
+				"\n",
+				`Please configure "sockopt.trustedXForwardedFor" immediately.`,
+				"\n",
+				`In future versions, this option must be explicitly set.`,
+				"\n",
+				`====== SECURITY WARNING ======`,
+			)
+		}
 		if strings.Contains(ss.SecurityType, "reality") && (receiverSettings.PortList == nil ||
 			len(receiverSettings.PortList.Ports()) != 1 || receiverSettings.PortList.Ports()[0] != 443) {
-			errors.LogWarning(context.Background(), `REALITY: Listening on non-443 ports will increase the likelihood of your server's IP being blocked by the GFW`)
+			errors.LogWarning(context.Background(), `REALITY: Listening on non-443 ports may get your IP blocked by the GFW`)
 		}
 	}
 	if c.SniffingConfig != nil {
@@ -217,51 +236,23 @@ type OutboundDetourConfig struct {
 	Tag            string           `json:"tag"`
 	Settings       *json.RawMessage `json:"settings"`
 	StreamSetting  *StreamConfig    `json:"streamSettings"`
-	ProxySettings  *json.RawMessage `json:"proxySettings"`
+	ProxySettings  *ProxyConfig     `json:"proxySettings"`
 	MuxSettings    *MuxConfig       `json:"mux"`
 	TargetStrategy string           `json:"targetStrategy"`
 }

-func requiresTransportSecurity(address *Address) bool {
-	if address == nil || address.Address == nil {
-		return false
-	}
-	if address.Family().IsIP() {
-		return !geodata.GetPrivateIPMatcher().Match(address.IP())
-	}
-	domain := strings.TrimSuffix(strings.ToLower(address.Domain()), ".")
-	return !geodata.GetPrivateDomainMatcher().MatchAny(domain)
-}
-
-func validateOutboundTransportSecurity(rawConfig interface{}, senderSettings *proxyman.SenderConfig) error {
-	if senderSettings.StreamSettings != nil && senderSettings.StreamSettings.GetSecurityType() != "" {
+func (c *OutboundDetourConfig) checkChainProxyConfig() error {
+	if c.StreamSetting == nil || c.ProxySettings == nil || c.StreamSetting.SocketSettings == nil {
 		return nil
 	}
-
-	if vlessCfg, ok := rawConfig.(*VLessOutboundConfig); ok {
-		if vlessCfg.Encryption != "" && vlessCfg.Encryption != "none" {
-			return nil
-		}
-		if requiresTransportSecurity(vlessCfg.Address) {
-			return errors.New("vless without TLS or other encryption is prohibited unless the server address is a private IP or domain")
-		}
+	if len(c.ProxySettings.Tag) > 0 && len(c.StreamSetting.SocketSettings.DialerProxy) > 0 {
+		return errors.New("proxySettings.tag is conflicted with sockopt.dialerProxy").AtWarning()
 	}
-
-	if tjCfg, ok := rawConfig.(*TrojanClientConfig); ok {
-		if requiresTransportSecurity(tjCfg.Servers[0].Address) {
-			return errors.New("trojan without TLS is prohibited unless the server address is a private IP or domain")
-		}
-	}
-
 	return nil
 }

 // Build implements Buildable.
 func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
-	if c.ProxySettings != nil {
-		return nil, errors.PrintRemovedFeatureError(`outbound "proxySettings"`, `"streamSettings.sockopt.dialerProxy"`)
-	}
-
 	senderSettings := &proxyman.SenderConfig{}
 	switch strings.ToLower(c.TargetStrategy) {
 	case "asis", "":
@@ -289,6 +280,9 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	default:
 		return nil, errors.New("unsupported target domain strategy: ", c.TargetStrategy)
 	}
+	if err := c.checkChainProxyConfig(); err != nil {
+		return nil, err
+	}

 	if c.SendThrough != nil {
 		address := ParseSendThough(c.SendThrough)
@@ -314,6 +308,26 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 		senderSettings.StreamSettings = ss
 	}

+	if c.ProxySettings != nil {
+		ps, err := c.ProxySettings.Build()
+		if err != nil {
+			return nil, errors.New("invalid outbound detour proxy settings").Base(err)
+		}
+		if ps.TransportLayerProxy {
+			if senderSettings.StreamSettings != nil {
+				if senderSettings.StreamSettings.SocketSettings != nil {
+					senderSettings.StreamSettings.SocketSettings.DialerProxy = ps.Tag
+				} else {
+					senderSettings.StreamSettings.SocketSettings = &internet.SocketConfig{DialerProxy: ps.Tag}
+				}
+			} else {
+				senderSettings.StreamSettings = &internet.StreamConfig{SocketSettings: &internet.SocketConfig{DialerProxy: ps.Tag}}
+			}
+			ps = nil
+		}
+		senderSettings.ProxySettings = ps
+	}
+
 	if c.MuxSettings != nil {
 		ms, err := c.MuxSettings.Build()
 		if err != nil {
@@ -334,34 +348,6 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	if err != nil {
 		return nil, errors.New("failed to build outbound handler for protocol ", c.Protocol).Base(err)
 	}
-	if err := validateOutboundTransportSecurity(rawConfig, senderSettings); err != nil {
-		return nil, err
-	}
-
-	if fc, ok := ts.(*freedom.Config); ok {
-		if senderSettings.StreamSettings != nil &&
-			senderSettings.StreamSettings.SocketSettings != nil &&
-			senderSettings.StreamSettings.SocketSettings.AddressPortStrategy != internet.AddressPortStrategy_None {
-			return nil, errors.New(`freedom outbound does not support "sockopt.addressPortStrategy"`)
-		}
-
-		var strategy internet.DomainStrategy
-		if strategy = senderSettings.TargetStrategy; strategy != internet.DomainStrategy_AS_IS {
-			errors.LogWarning(context.Background(), `The "outbound.targetStrategy" setting is not supported directly by freedom and has been automatically migrated to "sockopt.domainStrategy" with no behavior change.`)
-			senderSettings.TargetStrategy = internet.DomainStrategy_AS_IS
-		} else if strategy = fc.DomainStrategy; strategy != internet.DomainStrategy_AS_IS {
-			errors.LogWarning(context.Background(), `The "freedom.domainStrategy" setting is deprecated and will be removed. For compatibility, its value has been automatically migrated to "sockopt.domainStrategy". Please update your config before removal.`)
-		}
-		if strategy != internet.DomainStrategy_AS_IS {
-			if senderSettings.StreamSettings == nil {
-				senderSettings.StreamSettings = &internet.StreamConfig{}
-			}
-			if senderSettings.StreamSettings.SocketSettings == nil {
-				senderSettings.StreamSettings.SocketSettings = &internet.SocketConfig{}
-			}
-			senderSettings.StreamSettings.SocketSettings.DomainStrategy = strategy
-		}
-	}

 	return &core.OutboundHandlerConfig{
 		SenderSettings: serial.ToTypedMessage(senderSettings),
@@ -377,20 +363,11 @@ func (c *StatsConfig) Build() (*stats.Config, error) {
 	return &stats.Config{}, nil
 }

-type EnvConfig map[string]string
-
-func (c EnvConfig) Override(o EnvConfig) {
-	for key, value := range o {
-		c[key] = value
-	}
-}
-
 type Config struct {
 	// Deprecated: Global transport config is no longer used
 	// left for returning error
 	Transport map[string]json.RawMessage `json:"transport"`

-	Env              EnvConfig               `json:"env"`
 	LogConfig        *LogConfig              `json:"log"`
 	RouterConfig     *RouterConfig           `json:"routing"`
 	DNSConfig        *DNSConfig              `json:"dns"`
@@ -446,12 +423,6 @@ func (c *Config) Override(o *Config, fn string) {
 	if o.Transport != nil {
 		c.Transport = o.Transport
 	}
-	if o.Env != nil {
-		if c.Env == nil {
-			c.Env = EnvConfig{}
-		}
-		c.Env.Override(o.Env)
-	}
 	if o.Policy != nil {
 		c.Policy = o.Policy
 	}
@@ -527,12 +498,6 @@ func (c *Config) Override(o *Config, fn string) {

 // Build implements Buildable.
 func (c *Config) Build() (*core.Config, error) {
-	for key, value := range c.Env {
-		if err := os.Setenv(key, value); err != nil {
-			return nil, errors.New("failed to apply environment configuration").Base(err)
-		}
-	}
-
 	if err := PostProcessConfigureFile(c); err != nil {
 		return nil, errors.New("failed to post-process configuration file").Base(err)
 	}
@@ -1,18 +1,15 @@
 package main

 import (
-	"bytes"
+	"errors"
 	"flag"
 	"fmt"
+	"go/build"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"runtime"
-	"sort"
 	"strings"
-	"sync"
-	"sync/atomic"
-
-	"mvdan.cc/gofumpt/format"
 )

 var (
@@ -26,27 +23,101 @@ var (
 	isFormat bool
 )

-func getModuleInfo(pwd string) (modPath, langVersion string, err error) {
-	data, err := os.ReadFile(filepath.Join(pwd, "go.mod"))
-	if err != nil {
-		return "", "", err
-	}
-	for _, line := range strings.Split(string(data), "\n") {
-		fields := strings.Fields(line)
-		if len(fields) >= 2 {
-			switch fields[0] {
-			case "module":
-				modPath = fields[1]
-			case "go":
-				langVersion = "go" + strings.TrimPrefix(fields[1], "go")
-			}
+// envFile returns the name of the Go environment configuration file.
+// Copy from https://github.com/golang/go/blob/c4f2a9788a7be04daf931ac54382fbe2cb754938/src/cmd/go/internal/cfg/cfg.go#L150-L166
+func envFile() (string, error) {
+	if file := os.Getenv("GOENV"); file != "" {
+		if file == "off" {
+			return "", errors.New("GOENV=off")
 		}
+		return file, nil
 	}
-	return modPath, langVersion, nil
+	dir, err := os.UserConfigDir()
+	if err != nil {
+		return "", err
+	}
+	if dir == "" {
+		return "", errors.New("missing user-config dir")
+	}
+	return filepath.Join(dir, "go", "env"), nil
 }

-func formatGoSource(src []byte, opts format.Options) ([]byte, error) {
-	return format.Source(src, opts)
+// GetRuntimeEnv returns the value of runtime environment variable,
+// that is set by running following command: `go env -w key=value`.
+func GetRuntimeEnv(key string) (string, error) {
+	file, err := envFile()
+	if err != nil {
+		return "", err
+	}
+	if file == "" {
+		return "", errors.New("missing runtime env file")
+	}
+	var data []byte
+	var runtimeEnv string
+	data, readErr := os.ReadFile(file)
+	if readErr != nil {
+		return "", readErr
+	}
+	envStrings := strings.Split(string(data), "\n")
+	for _, envItem := range envStrings {
+		envItem = strings.TrimSuffix(envItem, "\r")
+		envKeyValue := strings.Split(envItem, "=")
+		if len(envKeyValue) == 2 && strings.TrimSpace(envKeyValue[0]) == key {
+			runtimeEnv = strings.TrimSpace(envKeyValue[1])
+		}
+	}
+	return runtimeEnv, nil
+}
+
+// GetGOBIN returns GOBIN environment variable as a string. It will NOT be empty.
+func GetGOBIN() string {
+	// The one set by user explicitly by `export GOBIN=/path` or `env GOBIN=/path command`
+	GOBIN := os.Getenv("GOBIN")
+	if GOBIN == "" {
+		var err error
+		// The one set by user by running `go env -w GOBIN=/path`
+		GOBIN, err = GetRuntimeEnv("GOBIN")
+		if err != nil {
+			// The default one that Golang uses
+			return filepath.Join(build.Default.GOPATH, "bin")
+		}
+		if GOBIN == "" {
+			return filepath.Join(build.Default.GOPATH, "bin")
+		}
+		return GOBIN
+	}
+	return GOBIN
+}
+
+func Run(binary string, args []string) ([]byte, error) {
+	cmd := exec.Command(binary, args...)
+	cmd.Env = append(cmd.Env, os.Environ()...)
+	output, cmdErr := cmd.CombinedOutput()
+	if cmdErr != nil {
+		return nil, cmdErr
+	}
+	return output, nil
+}
+
+func RunMany(binary string, args, files []string) bool {
+	fmt.Println("Processing with", binary, args, "...")
+
+	formatRequired := false
+	maxTasks := make(chan struct{}, runtime.NumCPU())
+	for _, file := range files {
+		maxTasks <- struct{}{}
+		go func(file string) {
+			output, err := Run(binary, append(args, file))
+			if err != nil {
+				fmt.Println(err)
+			} else if len(output) > 0 {
+				fmt.Println(string(output))
+				formatRequired = true
+			}
+			<-maxTasks
+		}(file)
+	}
+	return formatRequired
 }

 func main() {
@@ -79,76 +150,26 @@ func main() {
 	}

 	pwd := *directory
-	modPath, langVersion, modErr := getModuleInfo(pwd)
-	if modErr != nil {
-		fmt.Println("Error reading go.mod:", modErr)
+	GOBIN := GetGOBIN()
+	binPath := os.Getenv("PATH")
+	pathSlice := []string{pwd, GOBIN, binPath}
+	binPath = strings.Join(pathSlice, string(os.PathListSeparator))
+	os.Setenv("PATH", binPath)
+
+	suffix := ""
+	if runtime.GOOS == "windows" {
+		suffix = ".exe"
+	}
+	gofmt := "gofumpt" + suffix
+
+	if gofmtPath, err := exec.LookPath(gofmt); err != nil {
+		fmt.Println("Can not find", gofmt, "in system path or current working directory.")
 		os.Exit(1)
-	}
-	opts := format.Options{
-		LangVersion: langVersion,
-		ModulePath:  modPath,
-	}
-
-	if isFormat {
-		fmt.Println("Formatting Go source files...")
-	} else if isCheck {
-		fmt.Println("Checking files thar are not properly formatted...")
-	}
-
-	jobs := make(chan string, runtime.NumCPU())
-	var wg sync.WaitGroup
-	var formatRequired atomic.Bool
-	var hasErrors atomic.Bool
-
-	for i := 0; i < runtime.NumCPU(); i++ {
-		wg.Go(func() {
-			for path := range jobs {
-				src, err := os.ReadFile(path)
-				if err != nil {
-					fmt.Fprintf(os.Stderr, "Error reading %s: %v\n", path, err)
-					hasErrors.Store(true)
-					continue
-				}
-
-				formatted, err := formatGoSource(src, opts)
-				if err != nil {
-					fmt.Fprintf(os.Stderr, "Error formatting %s: %v\n", path, err)
-					hasErrors.Store(true)
-					continue
-				}
-
-				if !bytes.Equal(src, formatted) {
-					var diffText []byte
-					if isDryrun {
-						newName := filepath.ToSlash(path)
-						oldName := newName + ".orig"
-						diffText = diff(oldName, src, newName, formatted)
-					}
-					if isFormat {
-						info, statErr := os.Stat(path)
-						if statErr != nil {
-							fmt.Fprintf(os.Stderr, "Error stating %s: %v\n", path, statErr)
-							hasErrors.Store(true)
-							continue
-						}
-						if writeErr := os.WriteFile(path, formatted, info.Mode().Perm()); writeErr != nil {
-							fmt.Fprintf(os.Stderr, "Error writing %s: %v\n", path, writeErr)
-							hasErrors.Store(true)
-							continue
-						}
-					}
-
-					formatRequired.Store(true)
-					if isDryrun && len(diffText) > 0 {
-						fmt.Printf("%s\n%s", path, diffText)
-					} else {
-						fmt.Println(path)
-					}
-				}
-			}
-		})
+	} else {
+		gofmt = gofmtPath
 	}

+	rawFilesSlice := make([]string, 0, 1000)
 	walkErr := filepath.Walk(pwd, func(path string, info os.FileInfo, err error) error {
 		if err != nil {
 			fmt.Println(err)
@@ -165,206 +186,51 @@ func main() {
 			!strings.HasSuffix(filename, ".pb.go") &&
 			!strings.Contains(dir, filepath.Join("testing", "mocks")) &&
 			!strings.Contains(path, filepath.Join("main", "distro", "all", "all.go")) {
-			jobs <- path
+			rawFilesSlice = append(rawFilesSlice, path)
 		}

 		return nil
 	})
-	close(jobs)
-	wg.Wait()
-
 	if walkErr != nil {
 		fmt.Println(walkErr)
 		os.Exit(1)
 	}

-	if hasErrors.Load() {
-		os.Exit(1)
-	}
-
 	if isFormat {
-		if formatRequired.Load() {
-			fmt.Println("Do NOT forget to commit file changes.")
+		gofmtArgs := []string{
+			"-l", "-e", "-w",
 		}
+
+		fmt.Println("Formatting Go source files...")
+		RunMany(gofmt, gofmtArgs, rawFilesSlice)
+		fmt.Println("Do NOT forget to commit file changes.")
 	}

 	if isCheck {
-		if formatRequired.Load() {
+		gofmtListArgs := []string{
+			"-l", "-e",
+		}
+
+		fmt.Println("Checking files thar are not properly formatted...")
+		formatRequired := RunMany(gofmt, gofmtListArgs, rawFilesSlice)
+		if formatRequired {
 			fmt.Println("Format problem(s) found.")
-			fmt.Println("Please run 'go run ./infra/vformat/main.go' to format the Go source files.")
+		}
+
+		if isDryrun {
+			if formatRequired {
+				gofmtShowArgs := []string{
+					"-d", "-e",
+				}
+				RunMany(gofmt, gofmtShowArgs, rawFilesSlice)
+			}
+		}
+
+		if formatRequired {
+			fmt.Println("Please run 'go install -v mvdan.cc/gofumpt@latest', then run 'go run ./infra/vformat/main.go' to format the Go source files.")
 			os.Exit(1)
 		} else {
 			fmt.Println("All Go source file format check has been passed.")
 		}
 	}
 }
-
-// diff algorithm copied from mvdan.cc/gofumpt/internal/govendor/diff
-type pair struct{ x, y int }
-
-func diff(oldName string, old []byte, newName string, new []byte) []byte {
-	if bytes.Equal(old, new) {
-		return nil
-	}
-	x := diffLines(old)
-	y := diffLines(new)
-
-	var out bytes.Buffer
-	fmt.Fprintf(&out, "diff %s %s\n", oldName, newName)
-	fmt.Fprintf(&out, "--- %s\n", oldName)
-	fmt.Fprintf(&out, "+++ %s\n", newName)
-
-	var (
-		done  pair
-		chunk pair
-		count pair
-		ctext []string
-	)
-	for _, m := range diffTgs(x, y) {
-		if m.x < done.x {
-			continue
-		}
-		start := m
-		for start.x > done.x && start.y > done.y && x[start.x-1] == y[start.y-1] {
-			start.x--
-			start.y--
-		}
-		end := m
-		for end.x < len(x) && end.y < len(y) && x[end.x] == y[end.y] {
-			end.x++
-			end.y++
-		}
-
-		for _, s := range x[done.x:start.x] {
-			ctext = append(ctext, "-"+s)
-			count.x++
-		}
-		for _, s := range y[done.y:start.y] {
-			ctext = append(ctext, "+"+s)
-			count.y++
-		}
-
-		const C = 3
-		if (end.x < len(x) || end.y < len(y)) &&
-			(end.x-start.x < C || (len(ctext) > 0 && end.x-start.x < 2*C)) {
-			for _, s := range x[start.x:end.x] {
-				ctext = append(ctext, " "+s)
-				count.x++
-				count.y++
-			}
-			done = end
-			continue
-		}
-
-		if len(ctext) > 0 {
-			n := end.x - start.x
-			if n > C {
-				n = C
-			}
-			for _, s := range x[start.x : start.x+n] {
-				ctext = append(ctext, " "+s)
-				count.x++
-				count.y++
-			}
-			done = pair{start.x + n, start.y + n}
-
-			if count.x > 0 {
-				chunk.x++
-			}
-			if count.y > 0 {
-				chunk.y++
-			}
-			fmt.Fprintf(&out, "@@ -%d,%d +%d,%d @@\n", chunk.x, count.x, chunk.y, count.y)
-			for _, s := range ctext {
-				out.WriteString(s)
-			}
-			count.x = 0
-			count.y = 0
-			ctext = ctext[:0]
-		}
-
-		if end.x >= len(x) && end.y >= len(y) {
-			break
-		}
-
-		chunk = pair{end.x - C, end.y - C}
-		for _, s := range x[chunk.x:end.x] {
-			ctext = append(ctext, " "+s)
-			count.x++
-			count.y++
-		}
-		done = end
-	}
-
-	return out.Bytes()
-}
-
-func diffLines(x []byte) []string {
-	l := strings.SplitAfter(string(x), "\n")
-	if l[len(l)-1] == "" {
-		l = l[:len(l)-1]
-	} else {
-		l[len(l)-1] += "\n\\ No newline at end of file\n"
-	}
-	return l
-}
-
-func diffTgs(x, y []string) []pair {
-	m := make(map[string]int)
-	for _, s := range x {
-		if c := m[s]; c > -2 {
-			m[s] = c - 1
-		}
-	}
-	for _, s := range y {
-		if c := m[s]; c > -8 {
-			m[s] = c - 4
-		}
-	}
-
-	var xi, yi, inv []int
-	for i, s := range y {
-		if m[s] == -5 {
-			m[s] = len(yi)
-			yi = append(yi, i)
-		}
-	}
-	for i, s := range x {
-		if j, ok := m[s]; ok && j >= 0 {
-			xi = append(xi, i)
-			inv = append(inv, j)
-		}
-	}
-
-	J := inv
-	n := len(xi)
-	T := make([]int, n)
-	L := make([]int, n)
-	for i := range T {
-		T[i] = n + 1
-	}
-	for i := 0; i < n; i++ {
-		k := sort.Search(n, func(k int) bool {
-			return T[k] >= J[i]
-		})
-		T[k] = J[i]
-		L[i] = k + 1
-	}
-	k := 0
-	for _, v := range L {
-		if k < v {
-			k = v
-		}
-	}
-	seq := make([]pair, 2+k)
-	seq[1+k] = pair{len(x), len(y)}
-	lastj := n
-	for i := n - 1; i >= 0; i-- {
-		if L[i] == k && J[i] < lastj {
-			seq[k] = pair{xi[i], yi[J[i]]}
-			k--
-		}
-	}
-	seq[0] = pair{0, 0}
-	return seq
-}
@@ -36,10 +36,6 @@ The -confdir=dir flag sets a dir with multiple json config
 The -format=json flag sets the format of config files.
 Default "auto".

-The config root env object sets process environment variables after all config
-files are parsed. Variables needed to locate or parse config files must be set
-in the process environment before Xray starts.
-
 The -test flag tells Xray to test config files only,
 without launching the server.

@@ -2,15 +2,12 @@
 package blackhole

 import (
-	"bytes"
 	"context"
-	"net/http"
 	"time"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/dice"
-	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/signal"
@@ -20,34 +17,14 @@ import (

 // Handler is an outbound connection that silently swallow the entire payload.
 type Handler struct {
-	response []byte
-}
-
-var http403response = http.Response{
-	StatusCode: 403,
-	ProtoMajor: 1,
-	ProtoMinor: 1,
-	Header: http.Header{
-		"Connection":    {"close"},
-		"Cache-Control": {"max-age=3600, public"},
-	},
+	response ResponseConfig
 }

 // New creates a new blackhole handler.
 func New(ctx context.Context, config *Config) (*Handler, error) {
-	response := []byte{}
-	if config.Response != nil {
-		switch config.Response.Type {
-		case "", "none":
-		case "http":
-			var data bytes.Buffer
-			common.Must(http403response.Write(&data))
-			response = data.Bytes()
-		case "custom":
-			response = config.Response.CustomResponseData
-		default:
-			return nil, errors.New("unknown blackhole response: " + config.Response.Type)
-		}
+	response, err := config.GetInternalResponse()
+	if err != nil {
+		return nil, err
 	}
 	return &Handler{
 		response: response,
@@ -60,10 +37,8 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 	ob := outbounds[len(outbounds)-1]
 	ob.Name = "blackhole"

-	if len(h.response) > 0 {
-		mbc := buf.MultiBufferContainer{}
-		common.Must2(mbc.Write(h.response))
-		link.Writer.WriteMultiBuffer(mbc.MultiBuffer)
+	nBytes := h.response.WriteTo(link.Writer)
+	if nBytes > 0 {
 		// Sleep a little here to make sure the response is sent to client.
 		time.Sleep(time.Second)
 	}
@@ -1,15 +1,12 @@
 package blackhole_test

 import (
-	"bufio"
-	"bytes"
 	"context"
-	"crypto/rand"
-	"net/http"
 	"testing"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/proxy/blackhole"
 	"github.com/xtls/xray-core/transport"
@@ -19,58 +16,27 @@ import (
 func TestBlackholeHTTPResponse(t *testing.T) {
 	ctx := session.ContextWithOutbounds(context.Background(), []*session.Outbound{{}})
 	handler, err := blackhole.New(ctx, &blackhole.Config{
-		Response: &blackhole.Response{Type: "http"},
+		Response: serial.ToTypedMessage(&blackhole.HTTPResponse{}),
 	})
 	common.Must(err)

 	reader, writer := pipe.New(pipe.WithoutSizeLimit())

-	dataCh := make(chan buf.MultiBuffer, 1)
+	var mb buf.MultiBuffer
+	var rerr error
 	go func() {
-		mb := common.Must2(reader.ReadMultiBuffer())
-		dataCh <- mb
+		b, e := reader.ReadMultiBuffer()
+		mb = b
+		rerr = e
 	}()
+
 	link := transport.Link{
 		Reader: reader,
 		Writer: writer,
 	}
 	common.Must(handler.Process(ctx, &link, nil))
-	mb := <-dataCh
-	data := make([]byte, mb.Len())
-	mb.Copy(data)
-	resp := common.Must2(http.ReadResponse(bufio.NewReader(bytes.NewBuffer(data)), nil))
-	if resp.StatusCode != 403 {
-		t.Errorf("expected 403 response, got %d", resp.StatusCode)
-	}
-}
-
-func TestBlackholeCustomResponse(t *testing.T) {
-	ctx := session.ContextWithOutbounds(context.Background(), []*session.Outbound{{}})
-	// slightly bigger than a buffer
-	expected := make([]byte, buf.Size+1000)
-	if _, err := rand.Read(expected); err != nil {
-		t.Fatal(err)
-	}
-	handler, err := blackhole.New(ctx, &blackhole.Config{
-		Response: &blackhole.Response{
-			Type:               "custom",
-			CustomResponseData: expected,
-		},
-	})
-	common.Must(err)
-
-	reader, writer := pipe.New(pipe.WithoutSizeLimit())
-	var actual buf.MultiBuffer
-	var rerr error
-	go func() {
-		actual, rerr = reader.ReadMultiBuffer()
-	}()
-
-	link := transport.Link{Reader: reader, Writer: writer}
-	common.Must(handler.Process(ctx, &link, nil))
 	common.Must(rerr)
-
-	if actual.String() != string(expected) {
-		t.Errorf("custom response mismatch")
+	if mb.IsEmpty() {
+		t.Error("expect http response, but nothing")
 	}
 }
@@ -0,0 +1,47 @@
+package blackhole
+
+import (
+	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/buf"
+)
+
+const (
+	http403response = `HTTP/1.1 403 Forbidden
+Connection: close
+Cache-Control: max-age=3600, public
+Content-Length: 0
+
+
+`
+)
+
+// ResponseConfig is the configuration for blackhole responses.
+type ResponseConfig interface {
+	// WriteTo writes a predefined response to the specified buffer.
+	WriteTo(buf.Writer) int32
+}
+
+// WriteTo implements ResponseConfig.WriteTo().
+func (*NoneResponse) WriteTo(buf.Writer) int32 { return 0 }
+
+// WriteTo implements ResponseConfig.WriteTo().
+func (*HTTPResponse) WriteTo(writer buf.Writer) int32 {
+	b := buf.New()
+	common.Must2(b.WriteString(http403response))
+	n := b.Len()
+	writer.WriteMultiBuffer(buf.MultiBuffer{b})
+	return n
+}
+
+// GetInternalResponse converts response settings from proto to internal data structure.
+func (c *Config) GetInternalResponse() (ResponseConfig, error) {
+	if c.GetResponse() == nil {
+		return new(NoneResponse), nil
+	}
+
+	config, err := c.GetResponse().GetInstance()
+	if err != nil {
+		return nil, err
+	}
+	return config.(ResponseConfig), nil
+}
@@ -7,6 +7,7 @@
 package blackhole

 import (
+	serial "github.com/xtls/xray-core/common/serial"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -21,28 +22,26 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )

-type Response struct {
-	state              protoimpl.MessageState `protogen:"open.v1"`
-	Type               string                 `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
-	CustomResponseData []byte                 `protobuf:"bytes,2,opt,name=custom_response_data,json=customResponseData,proto3" json:"custom_response_data,omitempty"`
-	unknownFields      protoimpl.UnknownFields
-	sizeCache          protoimpl.SizeCache
+type NoneResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }

-func (x *Response) Reset() {
-	*x = Response{}
+func (x *NoneResponse) Reset() {
+	*x = NoneResponse{}
 	mi := &file_proxy_blackhole_config_proto_msgTypes[0]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }

-func (x *Response) String() string {
+func (x *NoneResponse) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }

-func (*Response) ProtoMessage() {}
+func (*NoneResponse) ProtoMessage() {}

-func (x *Response) ProtoReflect() protoreflect.Message {
+func (x *NoneResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_proxy_blackhole_config_proto_msgTypes[0]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -54,35 +53,57 @@ func (x *Response) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }

-// Deprecated: Use Response.ProtoReflect.Descriptor instead.
-func (*Response) Descriptor() ([]byte, []int) {
+// Deprecated: Use NoneResponse.ProtoReflect.Descriptor instead.
+func (*NoneResponse) Descriptor() ([]byte, []int) {
 	return file_proxy_blackhole_config_proto_rawDescGZIP(), []int{0}
 }

-func (x *Response) GetType() string {
-	if x != nil {
-		return x.Type
-	}
-	return ""
+type HTTPResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }

-func (x *Response) GetCustomResponseData() []byte {
+func (x *HTTPResponse) Reset() {
+	*x = HTTPResponse{}
+	mi := &file_proxy_blackhole_config_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *HTTPResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HTTPResponse) ProtoMessage() {}
+
+func (x *HTTPResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_blackhole_config_proto_msgTypes[1]
 	if x != nil {
-		return x.CustomResponseData
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
 	}
-	return nil
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HTTPResponse.ProtoReflect.Descriptor instead.
+func (*HTTPResponse) Descriptor() ([]byte, []int) {
+	return file_proxy_blackhole_config_proto_rawDescGZIP(), []int{1}
 }

 type Config struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
-	Response      *Response              `protobuf:"bytes,1,opt,name=response,proto3" json:"response,omitempty"`
+	Response      *serial.TypedMessage   `protobuf:"bytes,1,opt,name=response,proto3" json:"response,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }

 func (x *Config) Reset() {
 	*x = Config{}
-	mi := &file_proxy_blackhole_config_proto_msgTypes[1]
+	mi := &file_proxy_blackhole_config_proto_msgTypes[2]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -94,7 +115,7 @@ func (x *Config) String() string {
 func (*Config) ProtoMessage() {}

 func (x *Config) ProtoReflect() protoreflect.Message {
-	mi := &file_proxy_blackhole_config_proto_msgTypes[1]
+	mi := &file_proxy_blackhole_config_proto_msgTypes[2]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -107,10 +128,10 @@ func (x *Config) ProtoReflect() protoreflect.Message {

 // Deprecated: Use Config.ProtoReflect.Descriptor instead.
 func (*Config) Descriptor() ([]byte, []int) {
-	return file_proxy_blackhole_config_proto_rawDescGZIP(), []int{1}
+	return file_proxy_blackhole_config_proto_rawDescGZIP(), []int{2}
 }

-func (x *Config) GetResponse() *Response {
+func (x *Config) GetResponse() *serial.TypedMessage {
 	if x != nil {
 		return x.Response
 	}
@@ -121,12 +142,11 @@ var File_proxy_blackhole_config_proto protoreflect.FileDescriptor

 const file_proxy_blackhole_config_proto_rawDesc = "" +
 	"\n" +
-	"\x1cproxy/blackhole/config.proto\x12\x14xray.proxy.blackhole\"P\n" +
-	"\bResponse\x12\x12\n" +
-	"\x04type\x18\x01 \x01(\tR\x04type\x120\n" +
-	"\x14custom_response_data\x18\x02 \x01(\fR\x12customResponseData\"D\n" +
-	"\x06Config\x12:\n" +
-	"\bresponse\x18\x01 \x01(\v2\x1e.xray.proxy.blackhole.ResponseR\bresponseB^\n" +
+	"\x1cproxy/blackhole/config.proto\x12\x14xray.proxy.blackhole\x1a!common/serial/typed_message.proto\"\x0e\n" +
+	"\fNoneResponse\"\x0e\n" +
+	"\fHTTPResponse\"F\n" +
+	"\x06Config\x12<\n" +
+	"\bresponse\x18\x01 \x01(\v2 .xray.common.serial.TypedMessageR\bresponseB^\n" +
 	"\x18com.xray.proxy.blackholeP\x01Z)github.com/xtls/xray-core/proxy/blackhole\xaa\x02\x14Xray.Proxy.Blackholeb\x06proto3"

 var (
@@ -141,13 +161,15 @@ func file_proxy_blackhole_config_proto_rawDescGZIP() []byte {
 	return file_proxy_blackhole_config_proto_rawDescData
 }

-var file_proxy_blackhole_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_proxy_blackhole_config_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
 var file_proxy_blackhole_config_proto_goTypes = []any{
-	(*Response)(nil), // 0: xray.proxy.blackhole.Response
-	(*Config)(nil),   // 1: xray.proxy.blackhole.Config
+	(*NoneResponse)(nil),        // 0: xray.proxy.blackhole.NoneResponse
+	(*HTTPResponse)(nil),        // 1: xray.proxy.blackhole.HTTPResponse
+	(*Config)(nil),              // 2: xray.proxy.blackhole.Config
+	(*serial.TypedMessage)(nil), // 3: xray.common.serial.TypedMessage
 }
 var file_proxy_blackhole_config_proto_depIdxs = []int32{
-	0, // 0: xray.proxy.blackhole.Config.response:type_name -> xray.proxy.blackhole.Response
+	3, // 0: xray.proxy.blackhole.Config.response:type_name -> xray.common.serial.TypedMessage
 	1, // [1:1] is the sub-list for method output_type
 	1, // [1:1] is the sub-list for method input_type
 	1, // [1:1] is the sub-list for extension type_name
@@ -166,7 +188,7 @@ func file_proxy_blackhole_config_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_proxy_blackhole_config_proto_rawDesc), len(file_proxy_blackhole_config_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   2,
+			NumMessages:   3,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Fangliding	676212c789	Refine proto usage	2026-06-21 22:20:27 +08:00
Fangliding	1ca32a7af8	Add test & support utls	2026-06-17 23:08:41 +08:00
Fangliding	9fa107ced3	Feat: Add mTLS	2026-06-17 22:43:13 +08:00
Fangliding	65d50cc638	Fix AUTHORITY_VERIFY	2026-06-17 21:53:44 +08:00
Fangliding	1b8d07f1e3	Refactor tls cert hot reload	2026-06-14 03:24:08 +08:00
				`@@ -1 +0,0 @@`
				`powershell.exe -ExecutionPolicy Bypass -File ".\xray_no_window.ps1"`
				`@@ -1 +0,0 @@`
				`Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden`
				`@@ -1 +0,0 @@`
				`CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0`