Although many businesses have some form of Internet firewall in place, schools have a unique responsibility to provide better Internet content filtering for students using their computers. You can use multiple content filtering methods. This can be used for blocking access to pornography or games, shopping or advertising, email/chat, file transfers, and Websites that offer information about hatred/intolerance weapons drugs gambling, etc. An blacklist provides the easiest method for content filtering. A blacklist can be described as a list containing domains, URLs or filenames that the content filter wants to block. Playboy.com is one example of a blacklist. It would prevent access to all subdomains and folders as well as the entire domain. In the case of a blacklisted URL, such as other pages of the domain might be available, but that specific page would be blocked. Wildcards can often block large sets of URLs and domains. Blacklisting can also help to prevent software installation
