Hi! ive just tried hosting, and the thing is. People can connect, but the connection gets aborted, by some reason ? No messagse come either, just goes out to where you can push "Ready" or "back".. Help?
Sounds like it is indeed port forwarding. You need inbound and outbound for TCP and UDP on the relevant port, 63392 is standard.
Go here: http://portforwarding.com Choose your router, select the game, and do what it tells you on how to setup port forwarding if you don't know. V