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Question by bhayward_incrowd · Jan 14, 2016 at 10:50 AM · networkingbuildconnectionthreadstcp

Unity TCP Listener not working when built

I have written a TCP server into my game which clients can connect to perfectly when the game is run in the editor. When I build the game however, clients cannot connect to it.

Further, when I use telnet on the built game/server, it tells me it cannot connect as the connection was refused. When I do the same when the game is run in the editor, telnet connects fine.

Is there something I need to do to enable TCP communication?

Looking at the console in the built version, everything works exactly as it should do - it just doesn't seem to hear any clients connecting, despite the TCPListener being set to AcceptTcpClient.

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