Re: [Doh] special meta QTYPEs

Tony Finch <dot@dotat.at> Fri, 08 June 2018 13:56 UTC

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Date: Fri, 8 Jun 2018 14:56:26 +0100
From: Tony Finch <dot@dotat.at>
To: Martin Thomson <martin.thomson@gmail.com>
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Subject: Re: [Doh] special meta QTYPEs
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Martin Thomson <martin.thomson@gmail.com>; wrote:
> On Fri, Jun 8, 2018 at 3:38 PM Tony Finch <dot@dotat.at>; wrote:

> > And it isn't always possible to de-fragment an AXFR response: e.g.
> > it will break any TSIG authentication.
>
> That's interesting.  Are you saying that a multi-message answer that
> is TSIG authenticated cannot be carried in DOH?  I think that's what
> this means.

Yes, if you try to defragment it into a single DNS message so it fits the
definition of application/dns-message.

> Would it require the use of something like multipart/related to
> faithfully carry the answer in that case?

Cunning! I think that could work.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>;  http://dotat.at/
Forties, Cromarty, Forth, Tyne, Dogger: North, becoming variable, 3 or 4.
Slight, occasionally moderate in Forties. Fair. Good occasionally moderate.