Halo: Combat Evolved
Halo: Combat Evolved is a First Person Shooter video game developed by Bungie Studios.
According to http://support.microsoft.com/kb/829473 Halo: Combat Evolved uses the following ports in the following ways:
- TCP 80 - Halo looks to see if there is a Halo update available. If there is an update, Halo downloads the update through this port.
- UDP 2302 - the game host listens on this port.
- UDP 2303 - the game client connects to the game host through this port.