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TUN inbound: Add autoSystemWfpBlockLeak on Windows (blocks "dns" and "misconfigtun" IPv4/IPv6 traffic leaks outside the TUN); Rename autoSystemDNS to autoSystemDnsToGateway on Linux (and change some behaviors) (#6853)

Browse Source 
https://github.com/XTLS/Xray-core/pull/6853#issuecomment-5899791359
https://github.com/XTLS/Xray-core/pull/6853#issuecomment-5901287980
https://github.com/XTLS/Xray-core/pull/6853#issuecomment-5903680113
https://github.com/XTLS/Xray-core/pull/6853#issuecomment-5904123488
https://github.com/XTLS/Xray-core/pull/6853#issuecomment-5904647772
https://github.com/XTLS/Xray-core/pull/6853#issuecomment-5905047424

Fixes https://github.com/XTLS/Xray-core/issues/6454#issuecomment-5863800676

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
patterniha
2026-09-30 06:26:16 +00:00
committed by RPRX
co-authored by Claude Opus 5.5
parent 0086362663
commit 1f304916bd
16 changed files with 1194 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files
features/dns/localdns/client.go
+3
View File
@@ -97,6 +97,9 @@ func New() *Client {
r := &net.Resolver{
PreferGo: true,
Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
if internet.IsSkippedDNSServer(address) {
return nil, errors.New("skipped DNS server ", address)
}
return d.DialContext(ctx, network, address)
},
}
features/dns/localdns/client_test.go
+23
View File
@@ -0,0 +1,23 @@
package localdns
import (
"context"
"net/netip"
"testing"
"github.com/xtls/xray-core/transport/internet"
)
func TestSkippedDNSServers(t *testing.T) {
internet.SkipDNSServers([]netip.Addr{netip.MustParseAddr("203.0.113.53")})
t.Cleanup(func() { internet.SkipDNSServers(nil) })
c := New()
if _, err := c.r.Dial(context.Background(), "udp", "203.0.113.53:53"); err == nil {
t.Error("a skipped DNS server was dialed")
}
conn, err := c.r.Dial(context.Background(), "udp", "127.0.0.1:53")
if err != nil {
t.Fatal(err)
}
conn.Close()
}