Comodo Firewall Pro (previously known has Comodo Personal Firewall) is a free, complete, easy to manage and effective barrier that keeps hackers out and personal information in. Unfortunately, most firewalls leak. But Comodo’s Firewall is unique in that it passes all known leak tests to ensure the integrity of data entering and exiting your system. Comodo has put our firewall through all kinds of sophisticated tests to ensure our firewall is powerful enough to ward off these attacks with default settings. No other firewall has had to work this hard. Take this test yourself. Comodo Firewall secures your system against internal attacks such as Trojans, viruses, malicious software and external attacks by hackers. Safeguard your personal data though a simple user friendly single-click interface offering full immunity to attack. Comodo Firewall helps you connect in a secure way to the internet and global networks. For Windows XP (SP2) / Vista 32 bit.