Thu, 24 Jul 2008

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Switching to OpenDNS

UPDATE: here are some details from Dan Kaminsky.

From my email summary to some friends:

Most folks' dns servers have a vunerability (cache poisoning) discovered by Dan Kaminsky. The vulnerability is due to a design flaw in dns itself. Based on his work, network people have been working secretly on a patch for months. ISPs need to patch their dns servers immediately, but it won't be done instantly, and some probably won't patch at all. Meanwhile, details leaked out and an exploit has been published. Kaminsky himself recommends switching to OpenDNS, which, by the way, is free and has many cool features. And it seems that trustworthy people trust OpenDNS.

Switching was an easy change in my router, which is running open-source dd-wrt.

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