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Re: [DNSOP] [Ext] Questions / concerns with draft-ietf-dnsop-svcb-https (in RFC Editor queue)

Brian Dickson <brian.peter.dickson@gmail.com> Thu, 08 September 2022 04:15 UTC

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From: Brian Dickson <brian.peter.dickson@gmail.com>
Date: Wed, 07 Sep 2022 21:15:28 -0700
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To: Martin Thomson <mt@lowentropy.net>
Cc: "dnsop@ietf.org WG" <dnsop@ietf.org>
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Subject: Re: [DNSOP] [Ext] Questions / concerns with draft-ietf-dnsop-svcb-https (in RFC Editor queue)
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On Wed, Sep 7, 2022 at 9:09 PM Martin Thomson <mt@lowentropy.net> wrote:

>
>
> On Thu, Sep 8, 2022, at 13:29, Brian Dickson wrote:
> > If no AliasMode record was processed, then $QNAME would be the origin
> > name PLUS the prefix(es) of type attrleaf ( underscore thingies). Those
> > won't be legitimate A/AAAA owner names (and shouldn't exist), and if a
> > client did that it would be harmful (to the client), at least a little
> > bit harmful (trying something that won't work.)
>
> (FWIW, I had trouble parsing this last bit.)
>
> Can the AliasMode record reference a name that includes attrleaf labels,
> such that this could be as non-functional as using the attrleaf-laden
> original $QNAME?
>

It can, but that's a different case than the original thing (which will
always have them). Changing the text to handle that would be more
words/sentences than what Warren wants.

Brian

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