Crash on Server Join: 'Couldn't allocate any server IP port'

[Pirate Cat]

The title should explain most of this, but every time I try to join a server, I crash and get the message.

'Couldn't allocate any server IP port'

Any solutions?

[pedrus]

rout the ports on your router.

27015 and 27005

[Thatanos]

Or then your dling some porn with µtorrent or another p2p program