by kaat2g on Fri Oct 07, 2005 9:44 am
From the manual:
We recoomend that you do not play behind a firewall. However, if you wish to play behind a firewall, you must open the following ports: UDP 3658 for peer-to-peer gameplay, UDP 6000 for voice over IP, TCP 30100-30199 for lobby connectivity, TCP 13505 for EA Messnger, UDP 9555 for EA SPORTS Ticker, TCP 80 for tournaments, lobby and online roster downloads, TCP 443 for DNA authentication.