GhostWall

http://www.ghostsecurity.com/index.php?page=ghostwall

100% FREE and CLEAN Software!
No spyware, adware or junkware

GhostWall is a firewall which allows you to restrict the communications between your computer and others. Unlike other firewalls which have forgotten their main role, GhostWall is simply a firewall mainly designed to replace the standard Microsoft firewall with better features and performance.

GhostWall works on Windows XP,XP-64 (x64),2000 and 2003