The following are some of the known Personal Firewall software available from the internet for free. I just went around and basically out togethor a list of available free Personal Firewalls. I have not tested and the descriptions on the software are purely the ones available from the vendor's website.

Protect yourself on the internet!!!

Comodo Free Firewall

Comodo Free Personal Firewall

The Award-Winning Free Firewall Software

  • 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

Install now for out-of-the-box protection against identity theft hackers, Trojans, scripts and other unknown threats.

For more information and download, click here

ZoneAlarm® Free Firewall

ZoneAlarm by CheckPoint Free Firewall

The best free firewall on the planet. ZoneAlarm is Easy-to-use firewall blocks hackers and other unknown threats.

  • Systematically identifies hackers and blocks access attempts
  • Automatically makes your computer invisible to anyone on the Internet

For more information and download, click here

Sunbelt Personal FirewallTM

Sunbelt Software Personal Firewall

Originally Kerio Personal Firewall and was aquired by Sunbelt Software.

Sunbelt Personal Firewall 4 can run in a free mode vs. a full (paid) mode. Install it now, and for the first 30 days it will run in 'full' mode. After that, it shuts down selected features, but will continue to run in 'free' mode".

For a Free version & Full version comparison click here

For more information and download, click here

Outpost Free Firewall

Outpost Free Firewall

The FREE version of Outpost Firewall from Agnitium offers a basic protection solution for casual web surfers and low budget systems. Please note Agnitum does not provide personal Support Service or any other advice via email for Outpost Firewall FREE. 

  • Basic Firewall Protection: Standard packet and application filtering safeguard your computer from unwanted communications.
  • Connections Monitoring:Lets you see network activity in real time, to help define inappropriate connections and close them right away.
  • Surfing Protection Maintains your privacy on the Internet, keeps browser protected from Internet dangers.

At the time of writing this article, Outpost Firewall Pro was offered for free as a limited offer. More information here

Look n Stop lite (1.4) Free Firewall 

Look n Stop lite Free Firewall

Look 'n' Stop Lite is a rule based firewall that allows you to filter all incoming traffic into your computer by setting up rules for individual ports and protocols. The firewall comes pre-configured with a basic ruleset that filters most common attacks, however requires the skills of a network administrator or user with networking knowledge to be fine tune for your individual needs. Look 'n' Stop Lite, even though fully featured, lightweight and very capable, does not provide application traffic filtering.

To download click here

For more information on the new commercial version, click here 

Ashampoo Firewall Free

Ashampoo Firewall Free

Features and tools:

  • Heavy-duty firewall protection: Monitors all your computer's network activity and protects you against both incoming and outgoing connections.
  • Easy Mode: Get full protection in seconds with Easy Mode and the Configuration Assistant. No expert knowledge required.
  • Expert Mode: Experience users can activate this mode for powerful additional capabilities.
  • Simple and compact: Self-explanatory user interface. Very small program that uses minimum memory and resources.
  • Learning Mode: Automatically identifies programs that try to make connections and lets you decide whether you want to allow them. One-click operation in Easy Mode or full configuration in Expert Mode.
  • Rules: Create rules for every program that controls how they can access the network. One-click in Easy Mode or full configuration in Expert Mode.
  • Block All: One-click panic button for emergencies that lets you block all traffic, for example if you are under attack or suspect that a malicious program is active.

Technology highlights for the experts:

  • Monitor local connections: Ashampoo FireWall FREE can also monitor the local connections used inside your computer. Useful for identifying suspicious activity. Can be enabled or disabled.
  • Monitor LAN connections: Monitor all the local LAN traffic into and out of your computer. Can be enabled or disabled.
  • Connection log: Detailed logging of all internal, LAN and Internet connections with date, time, application, port used and IP address.

For more information and download, click here

Jetico Personal Firewall Freeware

Jetico Personal Firewall freeware

The Jetico Personal Firewall enables you to:

  • Protect your computer against hackers and malicious software when networked or connected to the internet.
  • Choose a pre-defined Security Policy.
  • Edit an existing Security Policy (i.e. the firewall rule set configuration).
  • Create your own Security Policy.
  • Monitor running applications that access the network.
  • Monitor selected/all network packets as well as selected network events.

For more information and download, click here



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. R-Firewall also filters out inappropriate Internet pages content and blocks dangerous active components you may get while browsing over the Internet or receiving e-mail massages.

Automatic configuration during setup allows you securely surf the Internet right after the software installation. Mobile users can create multiple and easily switchable configurations for specific network environments (Internet surfing at home, office local networks, or public Wi-Fi spots).

For more information and download, click here

SoftPerfect Personal Firewall

SoftPerfect Personal Firewall Free

The SoftPerfect Personal Firewall is a free network firewall designed to protect your PC against attacks from the Internet or via a local area network. SoftPerfect Personal Firewall offers customizable security using user-defined rules for packet filtering. It works at a low level and also allows you to create rules based on non-IP protocols such as ARP.

The SoftPerfect Personal Firewall supports multiple network adapter configurations. This allows you to apply a rule, for example, for just a modem connection or you could apply separate rules for each system interface. With a flexible filtering system, trusted MAC address checking feature and separate network adapter configuration you can even use it on a router or a server.

The SoftPerfect Personal Firewall has a learning mode, which prompts you for required actions when it detects an unknown packet. This helps you to create customized rules quickly. The program is easy to use, comes with a set of predefined rules and it is completely free. Additional features include password protection, logging and more.

Please be aware that the SoftPerfect Personal Firewall is not designed for novices and requires some networking knowledge from you for a correct configuration.

For more information and download, click here

PC Tools Firewall Plus 3.0

PC Tools Firewall Plus 3.0

PC Tools Firewall Plus feature highlights

  • Protects your PC as you are working, surfing and playing.
  • Intelligent automatic protection without all the questions.
  • Easy to use. Designed for both, novice and expert users.
  • Advanced rules to protect your PC against common attacks.
  • Best of all it’s FREE. No catches, limitations or time-limits.

For more information and download, click here

Filseclab Personal Firewall Professional Edition

Filseclab Personal Edition Professional Edition

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.

  • It can block the most attacks from worm viruses and trojans.
  • It can block some main Adware and Spyware, the definition supports live update and you may also define it yourself.
  • Double filter system provides double-layer protection.
  • Digital signature verification can automatically trust the well-known program.
  • Built-in 7 big modes can apply for all kinds of requirements.
  • Advanced realtime monitor lets the network activities be clear.
  • Interactive rules creator is very easy to create the rules.
  • Password protection can protect the rules and configurations.
  • It is very easy to backup and restore the rules.
  • It can control the websites easily.
  • It supports two logfile types, ascii and binary.
  • It also supports live update for rule-definition, traffic graph, privacy protection, Windows Security Center, balloon message alert and more unique features.

The best firewall gives your network the best protection.

For more information and download, click here

AS3 Personal Firewall 2.0

AS3 Personal Firewall

AS3 Personal Firewall is device designed to prevent outsiders from accessing your network even if it is run from a USB drive. The unit serves as the single entry point to your network and evaluate all TCP connections requests as they are received comparing them with each rule in the policy.

  • Activity provides a real-time view of the open connections through the firewall. 
  • The rules editor is used to define a security policy where connections requests from unauthorized ip addresses and ports are rejected. 
  • The log viewer provides data connection notes that can be used for prosecuting the potential attackers.

Use the rules editor to specify the destination and service for each rule with the required action. For example, if you don't want someone connecting to your network, you can bar his access by blocking connection request from his ip address or port number. On his end, he see a message that responds "Connection failed" or "Connection terminated". 

Once defined the firewall provides control of how the policy is distributed to all TCP connections through your network.

For more information and download, click here

SensiveGuard 1.06

SensiveGuard Firewall

What make SensiveGuard different from other firewalls are:

  • Protection of not only the network, but also sensitive system and personal files.
  • Intelligent detection of malicious operations from legitimate user operations with local keyboard and
    mouse inputs.
  • Powerful policies handling a wide range of security situations regarding program identities, user
    initiation, network protocols, network zones, file-types, and security actions of allow, deny and suspend.
  • Easy to use and learn. No user configuration is required. Default policies will allow most common
    network and file accesses while new policies can be created automatically upon user's operations.
  • Comprehensive network and file access loggings separated into days. Users can review and audit
    complete network and critical file access for any given date, knowing exactly what happen to the
    network and sensitive files.

For more information and download, click here

NetVeda Safety.Net 3.8

Net Veda Safety.Net 3.8

Safety.Net is free for personal and not-for-profit charitable entity use (excluding governmental entities, educational institutions and libraries).

•  Internet security
•  Content security
•  Advanced Internet firewall
•  Protects all computers
•  Time restrictions
•  Application, Network activity monitor
•  Computer specific rules
•  Traffic recording
•  Traffic rate controls

For more information and download, click here


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