Who uses a site firewall?

[UnknownOne]

I've only ever used one
"Firewall Script"

I think thats what it was called
*Goes off to upload*
Download:

http://rapidshare.com/files/222212489/FirewallScript.rar.html

*I dont think its nulled!* :'(

Theres also other stuff like WHMxtra

http://www.whmxtra.com/

It really adds a kick to WHM

Other than that.. I can't find any good firewalls for my websites =/
If anyone uses any or has any experience, please post in. Would be cool if everyone could share a bit about it.