OpenDNS is a great tool for free (kinda’), community managed web content filtration. We see this used more in education customers than corporate customers, but essentially you point your DNS at them (or your DNS servers as the case may be) and they filter out different kinds of content. As is often the case with free apps, you’re not going to get all the features you might get with some other applications, but OpenDNS is a great start, especially if you’re not currently doing any kind of filtering. To integrate it is very straight forward: sign up for a free account and define the address for your network in their…
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OpenDNS
Many people still use 4.2.2.2, 4.2.2.1, 206.13.28.12, 206.13.30.12, or some other arbitrary set of DNS servers. But, these are ISP DNS servers and so subject not only to filtration of source IP addresses at the will of the ISP (which happened back in the old Mindspring days) but also subject to spikes in traffic making someone’s Internet connection appear dog slow. So I’ve been putting people on internal DNS servers for a long time. But even they need to point somewhere for their DNS… Enter OpenDNS. These guys use 208.67.222.222 and 208.67.220.220. They’re free for just doing Internet lookups and if you find you want them to do more for you, they…