Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator

Vittorio Bertola <vittorio.bertola@open-xchange.com> Wed, 20 March 2019 22:05 UTC

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Date: Wed, 20 Mar 2019 23:05:48 +0100 (CET)
From: Vittorio Bertola <vittorio.bertola@open-xchange.com>
To: Joe Abley <jabley@hopcount.ca>
Cc: DoH WG <doh@ietf.org>, dnsop <dnsop@ietf.org>
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Subject: Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator
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> Il 20 marzo 2019 alle 12.38 Joe Abley <jabley@hopcount.ca>; ha scritto:
> 
> Seems to me that there's a middle ground within sight here.
> 
> Standardise this privacy mechanism, and specify (with reasoning) that it should be implemented such that the existence of the channel (but not the content) can be identified as distinct from other traffic by third parties. Maybe specify use of a different port number, as was done with DoT.
> 
> Those who choose to ignore that direction and create a covert channel using port 443 instead will do so. Nothing much we can do to stop that today (I guarantee it is already happening). The future is not really different.

This is actually the recommendation in section 4.6 of my draft :-) And I agree, it looks like the only possible and reasonable compromise between the two viewpoints.

Regards,
-- 

Vittorio Bertola | Head of Policy & Innovation, Open-Xchange
vittorio.bertola@open-xchange.com
Office @ Via Treviso 12, 10144 Torino, Italy