DNS hardening, was Re: Dan Kaminsky

Florian Weimer fweimer at bfk.de
Thu Aug 6 02:11:35 CDT 2009


* Douglas Otis:

> DNSSEC UDP will likely become problematic.  This might be due to
> reflected attacks,

SCTP does not stop reflective attacks at the DNS level.  To deal with
this issue, you need DNSSEC's denial of existence.  The DNSSEC specs
currently doesn't allow you to stop these attacks dead in your
resolver, but the data is already there.

-- 
Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99




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