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Re: [Uta] Adoption call for draft-sheffer-uta-rfc7525bis-00

Eric Rescorla <ekr@rtfm.com> Fri, 01 May 2020 22:52 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Fri, 01 May 2020 15:51:35 -0700
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To: ned+uta@mrochek.com
Cc: Keith Moore <moore@network-heretics.com>, uta@ietf.org
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Subject: Re: [Uta] Adoption call for draft-sheffer-uta-rfc7525bis-00
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On Fri, May 1, 2020 at 10:47 AM <ned+uta@mrochek.com> wrote:

> > IMO RFC7525 and this new draft both suffer from dubious assumptions and
> > make poor recommendations because of those assumptions.  In particular,
> > there are many cases for which using an old version of TLS is suboptimal
> > and it shouldn't be considered as secure, but it may still be better
> > than deprecating old versions of TLS that might be the only ones
> > supported by the peer.
>
> Whether or not to ban SSL v2 and v3 is a tough call, but not for the
> reasons
> given in RFC 7525.
>

Fortunately this decision is not before us. The IETF banned SSLv2 back in
2011 and SSLv3 in 2016.

-Ekr

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