Which ports to open for GR:AW and Gamespy.
Local Ports
UDP 15250
UDP 13139
UDP 15250
Remote Ports
UDP 15250
TCP 80
TCP 6667
UDP 13139
UDP 27900
UDP 27901
TCP 28910
TCP 29900
TCP 29901
UDP 29910
TCP 29920
Others
3783 (Voice Chat Port)
28900 (Master Server List Request)
6515 (Dplay UDP)
6500 (Query Port)