You can also use the Dansguardian add on to block content, works great in 12, and is a quick install. after install it will b located in the HTTP proxy, a new button appears
Routing and Bridging Firewall Solutions
You can also use the Dansguardian add on to block content, works great in 12, and is a quick install. after install it will b located in the HTTP proxy, a new button appears