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.)

Nearly 4 million domains blocked
All sites blocked are reviewed by the experienced iGuard team at St. Bernard Software. Pick from seven categories, listed below. Data is updated every day to keep it fresh and accurate.
Free
Adult site blocking is a free service, like everything else we provide.
Easy, with no software or hardware to install
Our simple web-based interface makes protecting your network as simple as checking a box.
Brand the block page
You can use the custom image feature to let everyone on your network know that you're watching out for them. (Example of block page)
Data provided by St. Bernard's iGuard
Adult site data is provided by St. Bernard's iGuard. iGuard is the 100% human-reviewed URL database from St. Bernard Software. iGuard analysts work around the clock reviewing URLs to ensure that every update includes the latest sites, accurately categorized.
- Lingerie/bikini: Sites displaying or dedicated to lingerie/bikini that could be considered adult-only.
- Nudity: Sites that provide images or representations of nudity.
- Pornography: Anything relating to pornography, including mild depiction, soft pornography or hard-core pornography.
- Sexuality: Sites that provide information, images or implications of bondage, sadism, masochism, fetish, beating, body piercing or self-mutilation.
- Tasteless: Sites that contain information on such subjects as mutilation, torture, horror or the grotesque.
- Adult-themed: Sites that are adult in nature and are not defined in other rating categories.
- Proxy/anonymizer: Sites providing proxy bypass information or services. Also, sites that allow the user to surf the net anonymously, including sites that allow the user to send anonymous emails.
Meet CIPA Compliance Requirements
Our adult site blocking helps schools and libraries achieve CIPA (Child Internet Protection Act) compliance by blocking access to unsuitable websites.
Check to see if a domain will be blocked
Check a domain to find out whether it would be blocked, and why.
Adult site blocking is an optional network feature. Learn how to turn adult site blocking on.

