Re: [DNSOP] Fwd: New Version Notification for draft-ogud-dnsop-any-notimp-00.txt

Tony Finch <fanf2@cam.ac.uk> Sat, 07 March 2015 22:01 UTC

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From: Tony Finch <fanf2@cam.ac.uk>
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References: <20150306172715.24305.58649.idtracker@ietfa.amsl.com> <CAN6NTqw4n_mTqjGDsOc4kT3fvm1PaCWKt+AUPw+4GevQqG3Ymw@mail.gmail.com> <20150306182444.GA50555@PorcupineTree.nominum.com> <54F9FC8D.9050003@redbarn.org> <20150306213856.GA51222@PorcupineTree.nominum.com> <54FA2179.3000403@redbarn.org> <20150306223336.GA60793@PorcupineTree.nominum.com> <54FA2FEE.7000304@redbarn.org> <C5299BB5-46A8-4B36-9446-0725A8FB68DA@cam.ac.uk> <6D934B5F-4E15-406B-960E-97939A0CE4CD@cam.ac.uk>
To: Paul Vixie <paul@redbarn.org>
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Cc: Olafur Gudmundsson <olafur@cloudflare.com>, "dnsop@ietf.org" <dnsop@ietf.org>, Ralf Weber <dns@fl1ger.de>
Subject: Re: [DNSOP] Fwd: New Version Notification for draft-ogud-dnsop-any-notimp-00.txt
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Another thought: responses to RRSIG queries cannot be validated. I hope resolvers don't cache them, or at least treat them with great suspicion.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at

> On 7 Mar 2015, at 21:19, Tony Finch <fanf2@cam.ac.uk> wrote:
> 
> 
>> On 7 Mar 2015, at 21:04, Tony Finch <fanf2@cam.ac.uk> wrote:
>> 
>> I think Ralf is right that QTYPE=RRSIG is weird just like ANY, in that it is asking for (part of) all? any? RRsets at a given owner name. I wonder how caches handle it...
> 
> OK, that's fun, a test demonstrated that BIND treats RRSIG queries like ANY, i.e. you get whatever happens to be in the cache.
> 
> Tony (ssh and dig is a bit fiddly on a phone).
> -- 
> f.anthony.n.finch  <dot@dotat.at>  http://dotat.at
>