A new Red Hat employee queried an internal email list as to methods of protecting their children from accessing pornography, and through the responses I learned a few things I thought I'd share...

One popular approach is taken by OpenDNS. (Disclaimer: OpenDNS was funded by the former CEO of CNET.) The Domain Name Service (DNS) is the service that translates a URL (such as wikipedia.org) into an actual IP address (such as 208.80.152.2). By using OpenDNS instead of regular DNS, you give them permission to help you with the translation:

wikipedia.org -> 208.80.152.2
wikipedia.og -> 208.80.152.2 (it corrects your "spelling mistake")
playboy.org -> BLOCKED! (if you want to filter out websites that serve "pornography" or "nudity")

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