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Re: [dmarc-ietf] Summary comments on draft-ietf-dmarc-psd

Tim Wicinski <tjw.ietf@gmail.com> Fri, 20 March 2020 19:38 UTC

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References: <CAL0qLwZwz+R52ydEgn7Qpu8t4=5WSH0xLUijs48FWB00vbQ49g@mail.gmail.com> <20200319011703.E1A70163EB3F@ary.qy>
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From: Tim Wicinski <tjw.ietf@gmail.com>
Date: Fri, 20 Mar 2020 15:38:26 -0400
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To: IETF DMARC WG <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] Summary comments on draft-ietf-dmarc-psd
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On Wed, Mar 18, 2020 at 9:17 PM John Levine <johnl@taugh.com> wrote:

> In article <CAL0qLwZwz+R52ydEgn7Qpu8t4=
> 5WSH0xLUijs48FWB00vbQ49g@mail.gmail.com> you write:
> >> Consider: From foo@bogus.bogus.bogus.bogus.bogus...
> bogus.bogus.example.com
> >>
> >Yeah, I'm familiar with the nature of the attack.   But based on what
> >amounts to the hallway track, it feels like the perspective of the DNS
> >community these days is that the currently deployed DNS infrastructure
> >could easily deal with such an attack, ...
>
> The DNS crowd is finally admitting to themselves that Sturgeon's Law
> applies to the DNS, too, and a little more crud will be lost in the
> large amoung ot noise.  I gather than people are implementing RFC 8020
> which makes this attack less effective.
>
>
+1 to what John says here.   I mean, I was still seeing a non-trivial
number of A6 queries.

tim

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