Hes using a Windows Security Center Firewall that comes with his computer and i did a search o nman ytutorials for it for XP and cant find how to disable it he knows hes in stealth mode and he cant find the stealth mode uncheck box anywhere!
Heres SS of his Firewall
I even checked this tutorial out on his firewall which this is how his firewall looks from the ss in the tutorial here
http://www.microsoft.com/technet/com...uy/cg0204.mspx