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Free Personal Firewall Software

Shield Your Computer From Unauthorized and Malicious Traffic

By Tony Bradley, CISSP-ISSAP, About.com

ZoneAlarm
Millions of users have selected ZoneAlarm as their trusted Internet security solution. The award-winning personal firewall automatically blocks dangerous Internet threats - known and unknown - guarding your PC from hackers and data thieves.

Kerio Personal Firewall 4
Kerio just released the latest version of their Personal Firewall™. Kerio Personal Firewall 4 is FREE for home or personal use and represents smart, easy-to-use personal security technology that fully protects personal computers against hackers and internal misuse.

Omniquad Personal Firewall
Omniquad Personal Firewall is freely available and contains the ability to monitor inbound and outbound traffic. It allows you to set up different levels of trusted zones and will ask for your authorization before allowing local software to initiate connections to the Internet.

Outpost Firewall FREE
Agnitum makes a scaled down version of their Outpost Firewall Pro 2.5 available for free for home or personal use. This product has an improved look and feel and will help to protect your computer against unwanted network traffic.

Sygate Personal Firewall
Sygate Personal Firewall 5.x provides best of breed security in a user friendly interface, protecting your PC from hackers, trojans and DoS attacks. New features include full-ICS support, protocol driver level protection, enhanced logging, and more. Sygate Personal Firewall is the first FREE personal firewall to offer protection from malicious code intrusions, keeping the information on your PC safe and private.

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