How to open port manually

How to open port manually on my Win XP Pro machine.I need to open some ports for multiplayer gaming?
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To configure ports on the Windows (SP2) firewall, do this;

'Control Panel' -> 'Windows Firewall' -> Exceptions -> 'Add Port...' -> Enter the name of your game, and the port number you wish to open, select UDP or TCP, Click OK. (Repeat for other ports)

Good luck
...or for Windows (SP1), see this link;


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