nanog mailing list archives

Re: large organization nameservers sending icmp packets to dns servers.


From: Paul Vixie <vixie () vix com>
Date: 08 Aug 2007 19:11:48 +0000


i normally agree with doug....

dotis () mail-abuse org (Douglas Otis) writes:
Ensuring an authoritative domain name server responds via UDP is a
critical security requirement.  TCP will not create the same risk of a
resolver being poisoned, but a TCP connection will consume a significant
amount of a name server's resources.

...but this is flat out wrong, dead wrong, no way to candy coat it, wrong.
-- 
Paul Vixie


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