Agnitum Outpost Firewall Free 2009

Outpost Firewall Free gives you solid firewall protection with standard packet and application filtering to safeguard your data against unauthorized third parties. Plus, you get advanced protection against illegal program activity that will help stymie unknown threats. All this coupled with minimum impact on your system resources makes Outpost Firewall Free a must-have instrument for an unprotected PC.

Outpost Firewall Free gives you:

Bidirectional firewall
Protection that can't be shut down by hackers
Application behavior monitoring
Intuitive, resource-friendly operation
Activity monitoring capabilities
Windows Vista and 64-bit compatibility