North American Network Operators Group|
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Re: how to protect name servers against cache corruption
Let me put this another more interesting and more direct way. Postulate a name server with the following properties: 1. Actually works on and is connected to the live Internet. 2. RFC compliant except as nec'y to comply with #1 above. 3. No DNSSEC, no TSIG, no SECUPD. 4. Completely bug free. You go right ahead and build that name server, and I will drive a truck, no, better still a bus or even a backhoe, right through its front window. DNS is not secure and cannot be made so. BIND-8.1.1 is the best there is, and it's what you should run, but as long as you run DNS without DNSSEC, your confidence level should be set accordingly. PS: BIND is definitely #1, is almost #2, is definitely #3, and trying to be #4.