1. ZoneAlarm Free

Author: Zone Labs | Size: 44.77MB | Type: Non-Commercial Freeware

Stops Internet attacks at the front door and even catches thieves on their way out. Our 2-way firewall proactively protects against inbound and outbound attacks while making you invisible to hackers.

  • Inbound & Outbound – monitors and blocks threat traffic in or out.
  • Full Stealth Mode – makes you invisible to hackers
  • Kill Controls – instantly disable malicious programs.
  • Passes Independent Leak Tests* – passes 100% of tests compared to an industry average of 40

2. Comodo Internet Security

Author: Comodo | Size: 33.60MB | Type: Freeware

Take your basic protection to the next level with Comodo’s Internet Security Pro 2011. Enjoy advanced features like Wi-Fi Security and Remote Expert Help.

Advanced Features:

  • Wi-Fi Security
  • Live Expert help
  • Firewall Protection
  • Antivirus Software

3. Outpost Firewall

Author: Agnitum Ltd | Size: 16.63MB | Type: Freeware

Agnitum is the first security vendor to deliver a fully functional free version of an Internet security suite for Windows users. Outpost Security Suite FREE 7.0 builds on the acclaimed antivirus, firewall and proactive protection technologies. The free solution employs modern techniques to prevent infections, data corruption and PC intrusions.

Outpost FREE gives you:
• VB100 certified antivirus
• Best-of-breed PC firewall
• Top-notch proactive protection
• Light-weight solution, no slowdowns
• Up-to-date technology — based
on the latest Outpost 7.0
• Full compatibility for Windows 7, Vista, XP
• Full compatibility for 64-bit Windows

4. PeerBlock 1.1

Author: PeerBlock, LLC | Size: 2.01MB | Type: Open Source

PeerBlock lets you control who your computer “talks to” on the Internet. By selecting appropriate lists of “known bad” computers, you can block communication with advertising or spyware oriented servers, computers monitoring your p2p activities, computers which have been “hacked”, even entire countries! They can’t get in to your computer, and your computer won’t try to send them anything either.

And best of all, it’s free!

5. PeerGuardian 2.0

Author: Phoenix Labs | Size: 1.60MB | Type: Open Source

PeerGuardian 2 is Phoenix Labs’ premier IP blocker for Windows. PeerGuardian 2 integrates support for multiple lists, list editing, automatic updates, and blocking all of IPv4 (TCP, UDP, ICMP, etc), making it the safest and easiest way to protect your privacy on P2P.

6. Sunbelt Personal Firewall

Author: Sunbelt Software | Size: 5.72MB | Type: Non-Commercial Freeware

Protect yourself from hackers. Secure your PC with a 100% free firewall download. Get the full version free for 30 days. Sunbelt Personal Firewall (SPF) was called “our favorite” by PC Magazine.

The Windows Firewall (both XP and Vista) is worse than useless, it gives you a false sense of security. Why? It only filters incoming traffic. That means if malware has compromised your PC, it is able to send out all your personal info. That’s right; the Windows “firewall” does not stop that! But SPF…

Leave a Reply

Your email address will not be published. Required fields are marked *