Default Port list for firewalls

[RasterMan]

UDP 1200 (used for friends service)
UDP 27000 to 27015 inclusive
TCP 27030 to 27039 inclusive
UDP: 27015 and 27020 (default HLDS, SRCDS and HLTV port)
TCP: 27015 (SRCDS Rcon port)

Also vac uses 26900

[techmight]

Udp : 30720

[ZombieKillah]

UDP 1200 (used for friends service)
UDP 27000 to 27015 inclusive
TCP 27030 to 27039 inclusive
UDP: 27015 and 27020 (default HLDS, SRCDS and HLTV port)
TCP: 27015 (SRCDS Rcon port)

Hi All,

I hope this isn't a really dumb question lol but can anyone confirm that these port ranges work for L4D2 and will allow the server to be listed on the steam master servers and allow public players to join via matchmaking ?

Regards,

Iain

[RasterMan]

Yes they do