Re: [Doh] on blackholing resolver-associated-doh.arpa and resolver-associated-doh.arpa

Matthew Pounsett <matt@conundrum.com> Wed, 27 March 2019 00:05 UTC

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From: Matthew Pounsett <matt@conundrum.com>
Date: Wed, 27 Mar 2019 01:05:05 +0100
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To: Ted Hardie <ted.ietf@gmail.com>
Cc: Joe Abley <jabley@hopcount.ca>, DoH WG <doh@ietf.org>
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Subject: Re: [Doh] on blackholing resolver-associated-doh.arpa and resolver-associated-doh.arpa
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On Tue, 26 Mar 2019 at 16:32, Ted Hardie <ted.ietf@gmail.com> wrote:

>
> I agree that there is a possible issue here, and I would support
> documenting it.  But since the basic trust model I'd suggest for a doh
> server discovered this way is equivalent to "something scrawled on the wall
> of a coffee shop", I think this situation (in which they are not recognized
> locally as special use names, and the particular anycast AS112 server
> answering the leaked query is an attacker) is pretty much par for a pretty
> rough course.
>
>
I think it's worse than that.  What we're talking about doing is
implementing WPAD all over again.