Spyware, viruses, & security : Anybody know of any good free firewall?

Free firewall

Hello --

Comodo, a leading provider of Identity and Trust assurance solutions is offering an award winning firewall - free. Below is a review from a user not a Comdo employee). Happy holidays!

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Hello,
> >>
> >> My name is Greg Fisher. I just wanted to send
> this e-mail to let you know how much I enjoy and
> appreciate your product. I have the Comodo Firewall version 1.1.002.
I switched to your product in October of 2005
> >> after having Zone Alarm Pro Firewall. Zone Alarm
> had a very large footprint, caused a long delay in the shutdown time of my pc and other problems. I
> heard about your product here where I live in Texas,
> U.S.A. and thought I would give it a try.
> >> I uninstalled ALL of Zone Alarm from my pc and
> >> retrieved your product. I must say that is has
> passed the Steve Gibsons GRC test with flying colors. It shows a better GRC test result on my WinXp Home,
> SP2
> >> machine than Z.A. did. For a short period of time
> I even tried Kerio P.F. version 4.2.2 which alot of
> >> folks are raving about. When I took the GRC test
> with the "limited free edition" of kerio the test
> results from GRC failed the stealth test very badly.
> >> I just wanted to let you know that your product
> is the best I have used paid for or free of several
> >> different Firewalls I have used. I am letting
> folks in several different forums that I am a member of know about your product and also letting them know of the wonderful test results I have received from GRC
> etc.
> >> Once again thank you for making this available to
> >> folks like myself that do not use a external
> router but just a software type of firewall. I firmly
> that with your product and sensible surfing that my
> machine is as well protected as it can be in todays
> Internet society. Thanks for your time and all of you and
> your
> >> staff have a very "Merry Christmas".
> >>
> >> Sincerely,
> >> Greg Fisher