Star Wars Battlefront
Will running firewall, proxy, or anti-virus software on my system cause any issues when trying to play a multiplayer game over the Internet?
While an important part of home computer security or a way to provide connection sharing, these technologies can interfere with game connectivity. If you are having connection problems and are using one of these types of software you may need to temporarily disable it, and then try connecting to the game.
NOTE: Please click here to refer to the GameSpy Firewall support web page for further information on how to use GameSpy with firewalls.