use LocalAddr for UDP associate bind address

things-go · May 25, 2024 · 40c50a9 · 40c50a9
1 parent d304516
commit 40c50a9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/handle.go b/handle.go
@@ -175,7 +175,7 @@ func (sf *Server) handleAssociate(ctx context.Context, writer io.Writer, request
 			return net.Dial(net_, addr)
 		}
 	}
-	bindLn, err := net.ListenUDP("udp", nil)
+	bindLn, err := net.ListenUDP("udp", &net.UDPAddr{IP: request.LocalAddr.(*net.TCPAddr).IP, Port: 0})
 	if err != nil {
 		if err := SendReply(writer, statute.RepServerFailure, nil); err != nil {
 			return fmt.Errorf("failed to send reply, %v", err)