Hello friends!
How many of you use firewall with linux?
Though it has a inbuilt firewall..i tried shorewall as an experiment
and it is just too great to use.
http://shorewall.net
If you know some other and feel it is good then share!
Now you might be thinking as how to check your firewall..well you can
check your firewall on this cool site "shields up"
http://grc.com/
linux is cool:x