Hi All,
I think you guys know about this application already.
FortiClient Endpoint Security Suite, is the one of the best
FREE firewall application available on internet.
The configuration is very easy, it has built in VPN / Antivirus / Webfilter also. It has admin access and password locked. You can block unwanted websites using Webfilter. The Webfilter has default db of some sites which could danger to your system or network, it will blocked automatically. The unwanted Image search on net also, blocked automatically.
You have free version with Basic Feutures like:
Antivirus/Antispyware engine
Firewall/VPN (SSL and IPSec)
Web Content Filter
Endpoint Control, Application Detection and WAN Optimization, FortiGuard updates
link:
http://www.forticlient.com/