FortKnox Personal Firewall - Version 11.0.505 Is an easy to use personal firewall that allows you to protect a PC against hacker attacks, trojans, spyware and internet threats. It gives user complete overview of all inbound and outbound network communication. It has built-in Intrusion Prevention System and SPI technologies for extended user protection. With application rules user can control how individual applications communicate over Internet. Users have option to setup extended rules that match their individual needs. With its intuitive interface it is suitable for both beginners and experienced users.