طريقه جديده "فلتره 4 مليون موقع اباحى عن طريق DNS
http://www.opendns.com/features/adult/
Adult Site Blocking
Adult site blocking is a free service that lets you block adult websites on your network. For these selected categories, we've teamed up with our friends at St. Bernard Software, who have human-reviewed tens of millions of domains, to make sure you get the most comprehensive, easy-to-use adult site blocking service ever. (See all content filtering categories available.)
