That s because SmartFilter works from a long and comprehensive list of inappropriate sites that fit categories such as Sex, Drugs, Hatespeech, Crime, Gambling, and Extreme . The list is compiled, indexed and cataloged into a database by people who are experts in site filtering. As a SmartFilter user you can download updates as often as you like. Let s say you check Sex and Hatespeech . You then click Enforce This List.
Subscriptions are available thereafter for a nominal fee.
BlackListing allows you to block access to specific sites chosen by you. However, they can visit sites you haven t blacklisted. WhiteListing is the opposite of BlackListing. It allows you to permit access only to sites chosen by you. User s Tab lets you easily restrict the hours during which the Internet can be accessed by employees.