List of Free Firewalls
Firewalls protect computers against hackers who access networks without authority, malicious programs that damage systems and phishing programs that collect, display or broadcast personal information without permission. The firewalls act like the locks on your front door that protect against intruders. Free firewalls are available to you to protect your home or office system from malicious intrusion.
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NetDefender
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NetDefender is a free antiphishing firewall program that also prevents intruders from accessing PCs. It features an Internet Protocol (IP) filter that limits inbound and outbound traffic through policy-based traffic-control settings designed to help reduce online exposure to potentially harmful programs. NetDefender, for example, can be used by administrators, such as information technology (IT) administrators, to prevent office personnel from accessing websites that aren't related to work. This reduces the chances of downloading files that harm office PCs.
Comodo Firewall
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Comodo Free Firewall offers two modes of installations -- firewall-only mode and Comodo Internet Security mode. Firewall-only mode provides basic networking protection with firewall protection, antivirus software and a proactive security suite. The proactive security suite features a sandbox component that combines file system /registry virtualization and least-privileged user account principle to combat unknown malicious software (malware). Comodo Internet Security suite provides complete system protection with an integrated firewall and advanced security features, such as Wi-Fi security. Internet Security suite is available for a free 30-day trial.
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Outpost Firewall
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Outpost Firewall is a free personal firewall program developed with open architecture by Agnitum Ltd. Outpost Firewall offers basic protection with firewall, antivirus and antispyware security features. It defends against unknown malware by controlling activities of installed applications. Other features include a real-time network statistics monitor, usability aid tools for commonly-used applications and illegal termination prevention capabilities. Agnitum's Outpost Security Pro offers a comprehensive free Internet security suite with antivirus, firewall, spam-fighting, website safety and proactive defense tools to guard against Internet risks.
Zone Alarm Firewall
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Zone Alarm Free Firewall offers two-way firewall protection against intruders by making PCs invisible to hackers. It also guards against spyware that sends personal data to the Internet without authority. Zone Alarm Firewall Pro and Zone Alarm Internet Security suite provide advanced security features, including advance download protection that warns when someone is about to download a dangerous program. The parental controls feature filters and blocks out inappropriate websites. Zone Alarm Firewall Pro and Zone Alarm Internet Security suite are available for free trial downloads.
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