Download free firewall Software

Win XP/2000

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 the setup process. Easy Mode makes using it a breeze. You dont 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.
Download Freeware ( 10.08 MB )

Win XP/Vista/Vista x64/7 x32/7 x64/2000/Server

Outpost Free is a good starting point to defend your computer on the Internet. It is compatible with all modern Windows systems (including 64-bit), comes free of charge and surpasses any build-in firewall functionality. Technically, it will shield you from hackers' attacks and vulnerability probes, unwanted or hostile accesses attempted by malware, and augments protection with its proactive tools against unknown threats. It's simple and reliable.
Download Freeware ( 16.70 MB )

Win XP/Vista/Vista x64/7 x32/7 x64/2000/Server

Outpost Free is a good starting point to defend your computer on the Internet. It is compatible with all modern Windows systems (including 64-bit), comes free of charge and surpasses any build-in firewall functionality. Technically, it will shield you from hackers' attacks and vulnerability probes, unwanted or hostile accesses attempted by malware, and augments protection with its proactive tools against unknown threats. It's simple and reliable.
Download Freeware ( 16.70 MB )

Win 98/2000/XP/Server

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
Download Freeware ( 3.32 MB )

Win 2000/XP/Vista

Agnitum Outpost Firewall Free 2009 is a basic protection for a Windows PC offered for free and surpasses any built-in tools. It is a free product, a better and more robust solution to Windows firewall and has many advanced features.
Download Freeware ( 16.63 MB )

Win Other/98/2000/XP/Server/Vista/Vista x64

A network software firewall designed to protect your PC against attacks from the Internet. It offers customizable security using user-defined rules for packet filtering. The program is easy to use, comes with a set of predefined rules and it is free.
Download Freeware ( 0.88 MB )

Win Other/98/2000/XP/Server

1 Firewall is the no. 1 firewall system for your Windows computer, that can monitor your network activity, block & alert you about unathorized publishers, protect your privacy! 1Firewall lets you be in control of everything happening in your network.
Download Free Trial ( 0.97 MB )

Win Other/98/2000/XP/Server/Vista

ID Firewall is a high-priority security program responsible for your computer's real-time protection against hackers. It blocks access to unauthorized attempts to use your computer, making sure your computer stays safe.
Download Free Trial ( 1.01 MB )

Win XP/2000/Server/Vista

PC Tools Firewall Plus is a powerful free personal firewall for Windows that protects computer by preventing unauthorized users from gaining access to the computer through the Internet or a network.It can stop Trojans, backdoors, keyloggers etc.
Download Freeware ( 8.04 MB )

Win 2000/XP

FREE Comodo Personal Firewall-Secure your system against internal attacks and external attacks by hackers. Safeguard your personal data through a simple user friendly single click interface.Connect to the internet with total peace of mind for Free!!
Download Freeware ( 14.09 MB )

Win 98/Other/2000/XP/Server

NeT Firewall is a comprehensive stateful firewall solution.
Download Free Trial ( 3.72 MB )

Linux

A Linux firewall distribution geared towards home and SOHO users
Download Freeware ( 50.30 MB )

Win Other/98/XP/2000/Server

Firewall Tuneup is a rule based packet filtering firewall
Download Freeware ( 8.80 MB )

Win XP/2000/Server/Vista, Linux, Other

Easy, All-in-one Deep Packet Inspection Firewall/VPN with Multi-Platform Support
Download Free Trial ( 3.04 MB )

Win XP/2000/Server/Other/98/Vista/Vista x64

a multi-platform firewall configuration and management tool
Download Free Trial ( 7.64 MB )

Win Other/98/XP/2000

My Firewall Plus is an easy to use, advanced defense system for the home PC.
Download Free Trial ( 5.87 MB )

Win XP

Windows XP(SP2) Firewall control with application security zone management
Download Freeware ( 1.42 MB )

Win 2000/XP/Server

Firewall blocks unsolicited network connections protecting PC from hackers.
Download Free Trial ( 8.86 MB )

Win Other/2000/XP/Server

High-level firewall from Deerfield.com for security conscious professionals.
Download Free Trial ( 5.32 MB )

Win Other/98/2000/XP/Server/Vista/Vista x64

MCS Firewall 2008 is a tool which protects computer in Internet.
Download Free Trial ( 2.63 MB )

Win XP/2000/Server/Vista/Vista x64

protect computer against hacker attacks&intrusions while surfing the Internet
Download Free Trial ( 13.40 MB )

Win 98/Other/XP/2000

Norton Personal Firewall 2004 keeps hackers out and personal data in.
Download Freeware ( 0.01 MB )

Win 98/Other/2000/XP/Server/Vista

Personal firewall utility can monitor network connections and applications
Download Free Trial ( 2.95 MB )

Win XP

A powerful firewall for home or business use.
Download Free Trial ( 0.77 MB )

Mac OS X

a multi-platform firewall configuration and management tool for Mac OS X.
Download Free Trial ( 26.60 MB )

Windows All

Firewall protects your computer from unwanted hacker's attacks and intruders
Download Free Trial ( 3.43 MB )

Win 98/Other/2000/XP/Server/Vista

Download Internet firewall program online to protects computer against intruders
Download Free Trial ( 2.95 MB )

Win 98/Other/XP/2000/Server

Protecting your PC from Hackers, Trojans, Spyware, Viruses and DoS attacks
Download Freeware ( 6.36 MB )

Win 98/Other/XP/2000

Personal firewall software protects your PC. stop pop-up,remove spyware
Download Free Trial ( 3.56 MB )

Win Other/2000/XP/Server/Vista

Check whether your Firewall leaks through.
Download Free Trial ( 1.17 MB )