ZoneAlarm Free Firewall

ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic. By detecting and preventing intrusions, ZoneAlarm Free Firewall keeps your PC free from viruses that slow down performance, and spyware that steals your personal information, passwords, and financial data.
Essential firewall protection
Be invisible to others online
New interface makes it even easier-smaller size keeps it light
Systematically identifies hackers and blocks access attempts.

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Comodo Internet Security

Comodo claim that their 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 firewall through all kinds of sophisticated tests to ensure its firewall powerful enough to ward off these attacks with default settings. No other firewall has had to work this hard.
PC Magazine Online's Editor's Choice
Secures against internal and external attacks
Blocks internet access to malicious Trojan programs
Safeguards your Personal data against theft
Delivers total end-point security for Personal Computers and Networks.
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USB FireWall

USB FireWall is an application which protects you from all malevolent programs which try to launch itself as soon as a peripheral USB is inserted. It will inform you if ever such a program is in one of your peripherals USB. You can remove the malevolent file and the file autorun.inf which launches it with the "Delete" button.

As soon as USB FireWall is launching, it works in the background task, its window is posted only when one program tries to launch out automatically since a peripheral USB.

USB FireWall is freeware and its functionality is limited, if ever the malevolent program is already present in your system, it tries to stop it but a patch or an Antivirus program is adapted much more to this kind of problem.

USB FireWall is ahead-first with Windows Optimum which makes much more than to stop or remove a file or to kill a program.

USB FireWall can also clean all your partitions for autolaunched Application from partition by deleting autorun file and its application pointed to.

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Technorati : FireWall, USB