Free Firewall Software download
  < HOMEPAGE      The links for the free firewall software products listed and described below will take you to the detailed information and download page for that particular free firewall software item. Some of the products may even have a place in your system as network firewall software.

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Leaktest (Gibson Research Corporation)
LeakTest is a safe and small (27k bytes), completely benign chameleon utility which can be used to simulate the presence and effect of Trojan horses, viruses, and adware/spyware running in your computer. It simply and quickly tells you whether it has been able to slip out past your firewall's outbound Trojan/Virus/Spyware protections and establish a standard TCP connection with our NanoProbe server.

Kerio Personal Firewall (Sunbelt)
Multi award winning! Kerio downloads initially as full version firewall then after 30 days it shuts down advanced features but will continue to run with reduced functionality for free. A valid email is required.

Securepoint Personal Firewall & VPN Client  (Securepoint GmbH)
The job of your Securepoint Personal Firewall & VPN Client is to protect your PC from unwelcome access from the outside and to protect your personal data thereby. Protecting the PC from attacks from the Internet is the most important field of application today.

Sygate Personal Firewall Free  (Sygate Technologies)
Sygate Personal Firewall is more than an advanced, user-friendly personal firewall, it's a bi-directional intrusion defense system. It ensures your personal computer is completely protected from malicious hackers and other intruders while preventing unauthorized access from your computer to a network.

Disable Windows XP Firewall (Alex Nolan)
This simple freeware program is to simplify the process of enable and disabling the Windows XP firewall. You may need a friend or customer to disable their Windows XP firewall for some reason such as remote access by PCAnywhere or Radmin.

GhostWall  (Ghost Security)
GhostWall is a firewall which allows you to restrict the communications between your computer and others. Unlike other firewalls which have forgotten their main role, GhostWall is simply a firewall, mainly designed to replace the standard Microsoft firewall with better features and performance.

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PC Tools Firewall Plus  (PC Tools)
PC Tools Firewall Plus is a powerful personal firewall for Windows® that protects your computer by preventing unauthorized users from gaining access to your computer through the Internet or a network. By monitoring applications that connect to the network Firewall Plus can stop Trojans, backdoors, keyloggers and other malware from damaging your computer and stealing your private information. This firewall is Vista compatible.

Outpost Firewall (Agnitum)
The free version of Outpost Firewall offers a basic protection solution for casual web surfers including connections monitoring and surfing protection. A valid email is required.

Safety.Net  (NetVeda)
Internet security, content security, advanced firewall protection and trust controls. Will block unwanted or harmful applications from accessing your network. You can define granular user or computer specific access controls based on site, content, PICS ratings and time of day.

Filseclab Personal Firewall Professional Edition  (Filseclab Corporation)
Filseclab Personal Firewall Professional Edition is one of the most important software of Filseclab, it is very easy to use and also very powerful. It can provide more secure protection for your PC, and it is FREE.

Vista Firewall Control 32-bit  (SphinxSoftware)
Protects your applications from undesirable network incoming and outgoing activity, controls applications internet access. Allows you to control personal information leakage via controlling application network traffic.

Vista Firewall Control 64-bit  (SphinxSoftware)
Protects your applications from undesirable network incoming and outgoing activity, controls applications internet access. Allows you to control personal information leakage via controlling application network traffic.

Filseclab  (Filseclab)  This firewall allows you to control which programs can access the internet and when. It offers an automated rules wizard that will prompt you for action whenever it detects an incoming or outgoing connection that does not match any of the existing rule sets. You can then choose to grant or deny access, and automatically establish a rule for it.

SoftPerfect Personal Firewall  (SoftPerfect Research)  
This firewall is designed to protect your PC against attacks from the Internet or via a local area network. It offers customizable security using user-defined rules for packet filtering. Note: The SoftPerfect Personal Firewall is not designed for novices (requires some networking knowledge to configure properly).

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ZoneAlarm  (Zone Labs)
Basic PC protection for the home user. Guards your perimeter from inbound and outbound threats  but with only the basic network and program protection capabilities of the more advanced products in their #1 rated product line. This firewall is Vista compatible.

SensiveGuard  (BrightTime) 
This product is made up of powerful network firewall software and a real-time file-guard to protect your PC against viruses, spyware, Trojans, and hackers. It protects both inbound and outbound network, guards critical system and personal files. It intelligently detects malicious operation from user operation by assessing whether the operation is initiated by user using the local keyboard or mouse and take appropriate security actions.

Comodo Firewall  (Comodo Group) 
This is not a reduced function product, in fact their newest features have resulted in some of the most sophisticated protection capabilities available in any solution - paid or free. They use this product to promote the other security products that they do sell. A valid email is required. Review test results show it to be the best firewall available free or paid!

Core Force  (Core Security)
CORE FORCE (Beta) provides inbound and outbound stateful packet filtering for TCP/IP protocols using a Windows port of OpenBSD's PF firewall, granular file system and registry access control and programs' integrity validation. These capabilities can be configured and enforced system-wide or on a per-application basis for specific programs such as email readers, Web browsers, media players, messaging software, etc.

Primedius Firewall Lite  (Primedius)
Prevent intrusions, stop unwanted entries to and communications from your computer.

R-Firewall  (r-tools technology)
R-Firewall is an effective and easy-to-use solution to secure your on-line activity. It protects a computer connected to a local network and/or to the Internet against any intrusions, attacks, trojans, spyware, and other external and internal threats.

Jetico Personal Firewall  (Jetico)
This freeware product provides three layers of protection and gives you detailed, configurable event logs, reports, plus the option to view and edit the firewall configuration. Review test results show it's the #2 best firewall available free or paid!

SafeZone  (MinuteGroup)
This firewall blocks external connections by analysis and routing of network traffic. It  can be customized to isolate, record and warn the user of all hacking attempts. SafeZone will protect you from the latest worms attacks preventing the creation of a backdoor into your system, which can allow an attacker to connect to your computer. In addition SafeZone examines out-going information according to predefined criteria to ensure that only authorized content leaves the computer. (Also available as paid version- we do not know how the two versions differ.)

Ashampoo  (Ashampoo)
The Ashampoo FireWall makes it easy for anyone to set up an effective, free firewall. Its Configuration Assistant guides you through every step of the setup process. Easy Mode makes using it a breeze. You don't need any special technical knowledge, and everything is explained clearly. Even with its additional security tools, Ashampoo Firewall is a tiny program that uses very little memory and computer resources.

VisualZone  (Visualize Software)
VisualZone is an intrusion analyser and report utility for ZoneAlarm, ZoneAlarm Plus and ZoneAlarm Pro. It displays a clear overview of all intrusion attempts and allows you to analyse the information in lots of different ways. VisualZone can perform a backtrace to try to find even more information about the intruder.

Windows Firewall Ports & Applications Manager  (George Trifidis)
Windows Firewall Ports & Applications Manager is a free tool that can add a single port (Windows Firewall GUI can do that), a range of ports(Windows Firewall GUI can’t do that) and of course applications.

Always be cautious when using an unknown firewall product to protect sensitive or mission critical data or if using the product as network firewall software. There are dozens of freeware firewalls that we have not listed because they have never been evaluated by anyone or in any other way proven themselves as reliable.

WIndows operating system compatibility as noted above are just guidelines and may not be correct or current. Check the download site of the product before assuming it will work with your system. (Vista notations will be added to products as soon as we find that they are Vista compatible.)