Have you ever wonder that your computer might be vulnerable to hackers and virus, or do you know that open ports in your computer can exploit all information ? Well although you use Anti-Virus software, it is recommend to use a Firewall inaddition to the Anti-Virus. Some Av’s come with in-built Firewall but some use an external firewall, but what makes us to think is whether your firewall actually works ? or what does it do ?

There is an answer for all your questions, Go ahead and test your computer or firewall in free firewall test sites. Actually these sites scan your computer ports and let you know if any of the ports or open or if your firewall really blocks the unwanted incoming traffic or not. They try to send packets of information to your computer.
Some of the sites listed below will allow you to scan your computer for any open ports or if your computer firewall is working well. The sites listed below are my favones where i usually test if my firewall works and insure that all my ports are in stealth mode.

• Shields UP! – Internet Vulnerability Profiling
• HackerWatch – Test your Firewall
• AuditmyPc – Firewall and Port Scanner

Comment your Test Results here so that we can know how safe your computer is.