intra/ipn: turn off TCP keepalive by default

Lanius-collaris · web-flow · commit 085c7fb8322e · 2025-04-29T07:10:27.000+08:00
diff --git a/intra/ipn/auto.go b/intra/ipn/auto.go
@@ -497,5 +497,9 @@ func maybeKeepAlive(c net.Conn) {
 	if settings.GetDialerOpts().LowerKeepAlive {
 		// adjust TCP keepalive config if c is a TCPConn
 		core.SetKeepAliveConfigSockOpt(c)
+	} else {
+		if tcpConn, ok := c.(*net.TCPConn); ok {
+			tcpConn.SetKeepAlive(false)
+		}
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -497,5 +497,9 @@ func maybeKeepAlive(c net.Conn) {`
`497`	`497`	`if settings.GetDialerOpts().LowerKeepAlive {`
`498`	`498`	`// adjust TCP keepalive config if c is a TCPConn`
`499`	`499`	`core.SetKeepAliveConfigSockOpt(c)`
	`500`	`+ } else {`
	`501`	`+ if tcpConn, ok := c.(*net.TCPConn); ok {`
	`502`	`+ tcpConn.SetKeepAlive(false)`
	`503`	`+ }`
`500`	`504`	`}`
`501`	`505`	`}`