fix more UDP reflection/amplification

src/rendezvous_server.rs

@@ -429,10 +429,10 @@ impl RendezvousServer {
                     // The supported client path sends PunchHoleRequest over TCP/WS.
                 }
                 Some(rendezvous_message::Union::PunchHoleSent(phs)) => {
-                    self.handle_hole_sent(phs, addr, Some(socket)).await?;
+                    // UDP PunchHoleSent is intentionally unsupported to avoid UDP reflection/amplification
                 }
                 Some(rendezvous_message::Union::LocalAddr(la)) => {
-                    self.handle_local_addr(la, addr, Some(socket)).await?;
+                    // UDP LocalAddr is intentionally unsupported to avoid UDP reflection/amplification
                 }
                 Some(rendezvous_message::Union::ConfigureUpdate(mut cu)) => {
                     if try_into_v4(addr).ip().is_loopback() && cu.serial > self.inner.serial {