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Re: [dns-privacy] Adam Roach's No Objection on draft-ietf-dprive-bcp-op-08: (with COMMENT)

Rob Sayre <sayrer@gmail.com> Fri, 07 February 2020 05:54 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Thu, 06 Feb 2020 21:54:03 -0800
Message-ID: <CAChr6SzhS7-Y5eysvCweOKMcr=QUG5M8UeFJyyZigsMnW79k_A@mail.gmail.com>
To: Eric Rescorla <ekr@rtfm.com>
Cc: Benjamin Kaduk <kaduk@mit.edu>, Tim Wicinski <tjw.ietf@gmail.com>, Adam Roach <adam@nostrum.com>, Brian Dickson <brian.peter.dickson@gmail.com>, The IESG <iesg@ietf.org>, dprive-chairs@ietf.org, draft-ietf-dprive-bcp-op@ietf.org, DNS Privacy Working Group <dns-privacy@ietf.org>
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Subject: Re: [dns-privacy] Adam Roach's No Objection on draft-ietf-dprive-bcp-op-08: (with COMMENT)
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On Thu, Feb 6, 2020 at 9:39 PM Eric Rescorla <ekr@rtfm.com> wrote:

>
> The question at hand is not about whether it ought to recommend DNSSEC
> validation but rather whether the text around that, which implies that
> failure to do so has a high risk of sending your sensitive *web* traffic to
> the attacker, is accurate given the high fraction of Web traffic that is
> protected with TLS and the likely even higher fraction of sensitive traffic
> that is..
>

This is not the best argument, since the interaction of DNS and subsequent
TLS traffic is not defined. An example is <
https://www.zdnet.com/article/brazil-is-at-the-forefront-of-a-new-type-of-router-attack/
>.

Talking about a "high fraction" of traffic is not very convincing, since
most traffic is obviously not subject to these attacks.

thanks,
Rob

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