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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)

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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
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proxy/tun/handler.go
+4 -2
View File
@@ -166,12 +166,14 @@ func (t *Handler) Start() error {
}
// Platform-specific system DNS takeover, where the platform implements it.
// Non-fatal: a failure leaves DNS management with the OS.
// Rather no TUN than one that the system DNS bypasses.
if c, ok := tunInterface.(interface {
ConfigureSystemDNS(context.Context, string) error
}); ok {
if err := c.ConfigureSystemDNS(t.ctx, t.tag); err != nil {
errors.LogInfoInner(t.ctx, err, "[tun] system DNS not configured")
_ = tunStack.Close()
_ = tunInterface.Close()
return errors.New("unable to set the system DNS (remove autoSystemDnsToGateway to run without)").Base(err)
}
}