Re: [Doh] A question of trust (was Re: Draft -09 and WGLC #2)

Patrick McManus <pmcmanus@mozilla.com> Wed, 30 May 2018 02:14 UTC

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From: Patrick McManus <pmcmanus@mozilla.com>
Date: Tue, 29 May 2018 22:14:17 -0400
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To: Patrick McManus <pmcmanus@mozilla.com>
Cc: Sara Dickinson <sara@sinodun.com>, Martin Thomson <martin.thomson@gmail.com>, DoH WG <doh@ietf.org>, Andrew Sullivan <ajs@anvilwalrusden.com>
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Subject: Re: [Doh] A question of trust (was Re: Draft -09 and WGLC #2)
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I've proposed
https://github.com/dohwg/draft-ietf-doh-dns-over-https/pull/189

Mateusz, it also harmonizes with the security considerations a bit.

On Tue, May 29, 2018 at 9:22 PM, Patrick McManus <pmcmanus@mozilla.com>;
wrote:

> Hi Sara,
>
> On Tue, May 29, 2018 at 5:27 AM, Sara Dickinson <sara@sinodun.com>; wrote:
>
>>
>>
>> I much prefer the approach of just discussing configuration but I don’t
>> think this goes far enough in answering Andrews question or helping
>> implementors work out exactly what to to. So….
>>
>> What does ‘configuration’ cover?
>> - Just direct configuration e.g. via a client API or config file
>> - Or also dynamic configuration e.g. via DHCP, assuming a future option
>> for this (which raises the question of trust again….)?
>>
>> I support only specifying direct configuration in this document but
>> either way making it more explicit.
>>
>
> I would describe [in]direct (or not) as one aspect of discovery, and the
> working group has chosen to stay away from discovery in this document.
>
> OTOH as I understand it discovery is the core topic of the DRIU bof, and
> is also on topic for this WG in a different document should someone propose
> such a thing.
>
> DoH isn't trying to solve that problem with the text under discussion -
> its just trying to say that the server(s) need to be bootstrapped and not
> discovered via linking and pushing during unrelated HTTP activities. Using
> the word "untrusted" was a mistake because it indicated more than that.
>
> -Patrick
>
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