Outpost Firewall Free is a free and light version of the popular Outpost Firewall Pro firewall. It gives you a solid firewall protection with a standard packet and application filter to protect your data from unauthorized access by third parties. In addition, you get advanced protection against unauthorized program activities, which helps to neutralize many unknown threats. Unlike the Pro version of the firewall, the free version does not have the Anti-Spyware module, complete protection from identification, technical support, and support for Windows Server, and is not multilingual.
Bidirectional firewall Protection, which cannot be disabled by hackers.