FREE Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses / malicious software and external attacks by hackers. Safeguard your personal data through a simple user friendly single click interface offering full immunity to attack. Comodo Firewall Pro helps you connect in a secure way to the internet and global networks. Total peace of mind is FREE!! Comodo Firewall Pro is a freeware categorized in servers firewall & proxy servers software.