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

Paul Hoffman <paul.hoffman@icann.org> Mon, 03 July 2023 11:02 UTC

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From: Paul Hoffman <paul.hoffman@icann.org>
To: Peter van Dijk <peter.van.dijk@powerdns.com>
CC: "dns-privacy@ietf.org" <dns-privacy@ietf.org>, "dnsdir@ietf.org" <dnsdir@ietf.org>
Thread-Topic: [dns-privacy] [dnsdir] [Ext] WGLC : draft-ietf-dprive-unilateral-probing
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Date: Mon, 03 Jul 2023 11:02:28 +0000
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References: <64e17d73-ea1a-00cb-a8a5-b5cfb39c37ae@innovationslab.net> <CADyWQ+HMj5NH1g_oCTNxYkGDmp2L3EwmMyOv2-bXeXvp5kvm0A@mail.gmail.com> <6B55CCC0-069F-43DD-B9DA-024E4334D6F4@icann.org> <20c5ac1666e4428b8ffa70c7b9e8a19c@verisign.com> <CADyWQ+HJ7ZLWfwxr6vb9HsERMJXuu-1zD_=cr4S+mZ1ieWrYwQ@mail.gmail.com> <0007CDA7-ADD3-43BB-B5D3-3B1810206E0E@icann.org> <8fbed8926b3f4e28b9f3f76a85e0b619@verisign.com> <CANMuhxt5cE--GUtapEL69dFkAFSU5dF3psMCgNRKj8_dXpsFLA@mail.gmail.com> <ABE27A4A-BA96-4505-A3E3-1FE83CAA5A63@icann.org> <m1q6YGM-0000KoC@stereo.hq.phicoh.net> <3B79D45A-1F95-4A4A-9F8D-D3D9C424B4B2@icann.org> <m1q6oAa-0000KqC@stereo.hq.phicoh.net> <E68DAF11-E748-4F3C-AAD3-4E5921B652D9@icann.org> <m1q7FM5-0000LSC@stereo.hq.phicoh.net> <9E965077-D2BA-46C7-99EC-5B4C37918069@icann.org> <m1q82YG-0000MXC@stereo.hq.phicoh.net> <B2088F5F-60B6-4796-B16F-ED7F42838B72@icann.org> <m14jndnsh3.fsf@narrans.de> <B9001CCC-3686-4EED-8B2E-856291269240@icann.org> <m1ilbqhsyr.fsf@narrans.de> <24B7D6A7-0200-431F-87C8-913D92C68C8C@icann.org> <m15y75szjw.fsf@narrans.de> <E819B3A1-A3C8-4AE9-84D8-D9F9C992CB99@icann.org> <578023ded20b16d081d2e40f9ef55821681a80ef.camel@powerdns.com> <3f0f1e2d5ccfadb535a65d30158fd8cc2ac4a7bc.camel@powerdns.com>
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Subject: Re: [dns-privacy] [dnsdir] [Ext] WGLC : draft-ietf-dprive-unilateral-probing
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On Jul 3, 2023, at 11:19 AM, Peter van Dijk <peter.van.dijk@powerdns.com> wrote:
> 
> On Mon, 2023-07-03 at 10:50 +0200, Peter van Dijk wrote:
>> On Fri, 2023-06-30 at 16:32 +0000, Paul Hoffman via dnsdir wrote:
>>> The current wording at the end of 4.6.9 is:
>>>    But if `R` is unsuccessful (e.g. timeout or connection closed):
>>> 
>>> I believe that changing that to the following would fix the problem you describe:
>>>    But if `R` is unsuccessful (RCODE other than 0, timeout, connection closed):
>>> 
>>> Does that fix your case and not break other cases?
>> 
>> You need to allow, at a minimum, RCODE 3 (NXDomain) too.
> 
> After a poke from Paul, a clearer version: both RCODE 0 and RCODE 3 can
> be good responses from an auth.

That's a good point. So, my suggested change becomes:

> The current wording at the end of 4.6.9 is:
>    But if `R` is unsuccessful (e.g. timeout or connection closed):
> 
> I believe that changing that to the following would fix the problem you describe:
>    But if `R` is unsuccessful (RCODE other than 0 or 3, timeout, connection closed):
> 

I'll make that change soon unless someone points out other problems with it.

--Paul Hoffman