Re: [DNSOP] WGLC for draft-ietf-dnsop-zoneversion

George Michaelson <ggm@algebras.org> Fri, 28 April 2023 23:20 UTC

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From: George Michaelson <ggm@algebras.org>
Date: Sat, 29 Apr 2023 09:20:41 +1000
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To: Hugo Salgado <hsalgado@nic.cl>
Cc: dnsop <dnsop@ietf.org>
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Subject: Re: [DNSOP] WGLC for draft-ietf-dnsop-zoneversion
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Yes, that's pretty succinct and clear.

G

On Sat, 29 Apr 2023, 04:26 Hugo Salgado, <hsalgado@nic.cl> wrote:

> Thanks a lot George for your comments.
> About this suggestion:
>
> On 14:29 27/04, George Michaelson wrote:
> > It's a debug tool. It isn't going to be something I expect to use, but
> > I like the idea if something goes awry in the responses I am seeing I
> > can ask the authority to tell me what SOA serial I should expect to
> > see, that has the response state they're giving me for the specific
> > query. Thats distinct from ZONEMD which is a DNSSEC signed state of an
> > entire zone (assuming it can be done) which is a different class of
> > check on zone state related to serial. I like both. They're different.
> > That said, you COULD point to ZONEMD in this one in the security
> > considerations, but I wouldnt make it normative. It's just another way
> > to check the state of a zone.
> >
>
> You're right that we can better state the differences with ZONEMD.
> What do you think of adding a paragraph like this in the security
> considerations?
>
>    "Please note that ZONEVERSION option can not be used for checking
>    the correctness of an entire zone in a server. For such cases, the
>    ZONEMD record [RFC8976] might be better suited at such task.
>    ZONEVERSION can help identify and correlate a certain specific
>    answer with a version of a zone, but it has no special integrity or
>    verification function besides a normal field value inside a zone, as
>    stated above."
>
> Thanks,
>
> Hugo
>
>