Are you sure? What does the logs say?   Please don't change the ports, as you can see on the last 4 pages it is working in it's base configuration.   Such tools won't detect most game servers and they are useless for checking if the port is open since you are dealing with a game server and not a http/https server and nothing is responding to http/https requests.   No.   Without that little information I can't help, have you read that here: