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

Sean Turner <sean@sn3rd.com> Wed, 02 October 2019 13:17 UTC

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From: Sean Turner <sean@sn3rd.com>
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Date: Wed, 2 Oct 2019 14:17:01 +0100
Cc: Eric Rescorla <ekr@rtfm.com>, Sean Turner via Datatracker <noreply@ietf.org>, Benjamin Kaduk <kaduk@mit.edu>, IESG Secretary <iesg-secretary@ietf.org>, "tls-chairs@ietf.org" <tls-chairs@ietf.org>, "tls@ietf.org" <tls@ietf.org>
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To: John Mattsson <john.mattsson=40ericsson.com@dmarc.ietf.org>
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Subject: Re: [TLS] Publication has been requested for draft-ietf-tls-oldversions-deprecate-05
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> On Oct 1, 2019, at 21:14, Eric Rescorla <ekr@rtfm.com> wrote:
> 
> 
> 
> On Tue, Oct 1, 2019 at 1:04 AM John Mattsson <john.mattsson=40ericsson.com@dmarc.ietf.org> wrote:
> Hi,
> 
> I think draft-ietf-tls-oldversions-deprecate needs to update draft-ietf-rtcweb-security-arch as well.
> 
> draft-ietf-rtcweb-security-arch-20 uses DTLS and even talks about support of DTLS 1.0.
> 
>   "Earlier drafts of this specification required DTLS
>   1.0 with the cipher suite TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, and
>   at the time of this writing some implementations do not support DTLS
>   1.2; endpoints which support only DTLS 1.2 might encounter
>   interoperability issues."
> 
> You should check if there are more drafts in the publication process that needs to be updated.
> 
> I don't particularly mind, but this text was actually the result of some pretty extensive discussion and compromising in rtcweb, so it's not just as simple as changing this text.

You can change the text, but I do not believe it will change the implementations.  I would leave the text as is and NOT do an updates header.

spt