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Re: [dns-privacy] WGLC : draft-ietf-dprive-unilateral-probing

Florian Obser <florian+ietf@narrans.de> Tue, 28 March 2023 08:47 UTC

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From: Florian Obser <florian+ietf@narrans.de>
To: dns-privacy@ietf.org
References: <64e17d73-ea1a-00cb-a8a5-b5cfb39c37ae@innovationslab.net> <m1y1niraw8.fsf@narrans.de> <085f2f0a-17d2-2718-c9b0-b7171a4fc367@isc.org>
Date: Tue, 28 Mar 2023 17:47:39 +0900
In-Reply-To: <085f2f0a-17d2-2718-c9b0-b7171a4fc367@isc.org> ("Petr Špaček"'s message of "Tue, 28 Mar 2023 09:54:52 +0200")
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Subject: Re: [dns-privacy] WGLC : draft-ietf-dprive-unilateral-probing
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On 2023-03-28 09:54 +02, Petr Špaček <pspacek@isc.org> wrote:
> On 27. 03. 23 8:00, Florian Obser wrote:
>> At the very least this should be pointed out, e.g. at the end of
>> 3. Guidance for Authoritative Servers:
>>     An authoritative server implementing DoT or DoQ MUST
>> authoritatively
>>     server the same zones over all supported transports.
>> This still makes me feel uneasy though.
>
> TL;DR: From my point of view the text is good as it is.
>
> I would feel really uneasy in the opposite case, i.e. if the
> requirement was dropped.
>

This requirement is not spelled out in the draft, hence my suggestion to
add a MUST.

> Doing probing **per zone** adds lots of state and attempts. Right now
> most transport-level state in BIND is currently tied to peer's IP
> address (as opposed to [IP, zone] combination) and I don't see
> compelling reason to change that.
>
> -- 
> Petr Špaček
> Internet Systems Consortium
>
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-- 
In my defence, I have been left unsupervised.

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