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Re: [Asrg] DNS over SCTP

Paul Wouters <paul@xelerance.com> Fri, 29 May 2009 13:27 UTC

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Date: Fri, 29 May 2009 09:28:29 -0400
From: Paul Wouters <paul@xelerance.com>
To: Alessandro Vesely <vesely@tana.it>
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Cc: Anti-Spam Research Group - IRTF <asrg@irtf.org>, ietf@ietf.org
Subject: Re: [Asrg] DNS over SCTP
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On Fri, 29 May 2009, Alessandro Vesely wrote:

>> transport security is pretty meaningless in the DNS world which operates 
>> using a distributed caching system.
>
> One has to trust each cache!

Your solution to protect the DNS is "just trust everyone"?

> Given that it is pretty easy to predict a subset 
> of the queries a given server will issue in a give time frame, using SCTP can 
> improve reliability better than adding another 32bit random number.

The source port randomization patch is not DNSSEC. DNSSEC is much more then
a 32bit random number. Please read the RFCs.

Paul

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