OpenDNS is a free service that works for networks of all sizes, from home networks to K-12 schools, SMBs and large enterprises.

http://www.opendns.com

Keeping your family safe online has never been easier. OpenDNS gives you more than 50 filtering categories to choose from. Simply check the boxes of the categories you want to block and watch your filtering take effect within minutes.

Take the guesswork out of identifying phishing Web sites with OpenDNS’s industry-leading anti-phishing service. We’ll tell you when the site you’re trying to visit is fraudulent.

Map short and easy-to-remember terms to your favorite Web sites with OpenDNS Shortcuts. Set up personal Shortcuts that work just for you, or Network Shortcuts that work for everyone in your household.