If there is an active Caller -> Listener session, and a rogue caller tries to handshake, it should be made mandatory that the listener responds with a fake socket id. Otherwise the rogue caller can just send a shutdown with the socket id it has been given. There are no further fields to validate the shutdown message.
If there is an active Caller -> Listener session, and a rogue caller tries to handshake, it should be made mandatory that the listener responds with a fake socket id. Otherwise the rogue caller can just send a shutdown with the socket id it has been given. There are no further fields to validate the shutdown message.