Originally Posted by xpi0t0s
Windows firewall is inbound only; it doesn't block any outbound connections.
That used to be the case. However, that's been recently changed on Vista's firewall (I'm not sure about XP's). It now filters outbound traffic also. It's terribly inefficient at it and is mostly just annoying, but it does filter bidirectional traffic.
TriG0rZ, glad we could help. Good luck to you.