Force TCP KeepAlive on both sides of proxied connection

Chupaka · Jan 17, 2023 · cf3da59 · cf3da59
1 parent fc9c75f
commit cf3da59
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/main.go b/main.go
@@ -181,6 +181,12 @@ func proxy(local io.ReadWriteCloser, remoteAddr *net.TCPAddr) {
 		return
 	}
 
+	local.(*net.TCPConn).SetKeepAlive(true)
+	local.(*net.TCPConn).SetKeepAlivePeriod(5 * time.Second)
+
+	remote.(*net.TCPConn).SetKeepAlive(true)
+	remote.(*net.TCPConn).SetKeepAlivePeriod(5 * time.Second)
+
 	go pipe(local, remote)
 	go pipe(remote, local)
 }