Comodo Firewall is a powerful personal free firewall that is designed to monitor and prevent various network attacks, protection from spyware actions, Trojans. A new version of the firewall can be downloaded free here.
The Comodo Firewall application analyzes suspicious activity, checks all components of running applications. A fairly large list of trusted software is integrated in a firewall, and what is not included in it, will not be allowed to run. In this way, the firewall provides complete protection for the PC.
Comodo Firewall features and functions:
You can download Comodo Firewall from this page of the website.