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Re: [Add] What to do in this potential working group

David Conrad <drc@virtualized.org> Wed, 21 August 2019 21:28 UTC

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From: David Conrad <drc@virtualized.org>
In-Reply-To: <cf2152d7-8618-7ad2-b8f9-7a259ab5df19@cs.tcd.ie>
Date: Wed, 21 Aug 2019 14:28:41 -0700
Cc: ADD Mailing list <add@ietf.org>
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To: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Subject: Re: [Add] What to do in this potential working group
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Stephen,

On Aug 21, 2019, at 2:13 PM, Stephen Farrell <stephen.farrell@cs.tcd.ie> wrote:
> DNSSEC provides origin-authentication and data integrity
> for DNS answers between the signer and validator.
> 
> If the client validates the TLS server cert, DoH provides
> TLS-server authentication, confidentiality and data
> integrity between the TLS client and server.

"TLS client and server" != "signer and validator”

> So yep, both give data integrity, just differently.

No.

What you say would be true ONLY if the DoH client connects to the authoritative source of the data. Which, of course, it doesn’t.

Again, what would happen if the TRR you contracted with is subject to a court order under seal that requires that TRR to modify responses for particular domains?  How would you know?

Regards,
-drc

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