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Re: [TLS] Publication has been requested for draft-ietf-tls-oldversions-deprecate-05

Rob Sayre <sayrer@gmail.com> Wed, 09 October 2019 12:28 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Wed, 09 Oct 2019 19:28:02 +0700
Message-ID: <CAChr6SwN+5qR7q5cfaR3PpCV9Qrdm_9zTPY-eu6VAAZ3t=k8Qg@mail.gmail.com>
To: Eric Rescorla <ekr@rtfm.com>
Cc: Cullen Jennings <fluffy@iii.ca>, "tls@ietf.org" <tls@ietf.org>, Sean Turner via Datatracker <noreply@ietf.org>, IESG Secretary <iesg-secretary@ietf.org>, "tls-chairs@ietf.org" <tls-chairs@ietf.org>, John Mattsson <john.mattsson=40ericsson.com@dmarc.ietf.org>, Benjamin Kaduk <kaduk@mit.edu>
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Subject: Re: [TLS] Publication has been requested for draft-ietf-tls-oldversions-deprecate-05
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On Wed, Oct 9, 2019 at 7:20 PM Eric Rescorla <ekr@rtfm.com> wrote:

>
>> 1) it doesn't seem like a particularly valid claim to say that the
>> document "doesn't pull" in DTLS 1.0 when the rationale for that claim is a
>> missing reference.
>>
>
> Well I suppose you're entitled to your opinion, but no, I don't think
> that's true. We have a very specific meaning for normative dependency and
> in no way would this be one. At most this would be an informative reference.
>
> In any case, this is not the proper place for this discussion. If you want
> this document changed, you'll need to take it to the RTCWEB WG.
>

Honestly, thank you for the sincere response.

After I read more of the many relevant documents, it became clear
that draft-ietf-tls-oldversions-deprecate says implementations MUST NOT
negotiate DTLS 1.0, while RFC 6347 and draft-ietf-rtcweb-security-arch
encourage negotiation that results in endpoints agreeing on DTLS 1.0.

That seems like the inconsistency to discuss.

thanks,
Rob

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