Re: [TLS] ban more old crap

Stephen Farrell <stephen.farrell@cs.tcd.ie> Thu, 23 July 2015 17:06 UTC

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Date: Thu, 23 Jul 2015 18:06:04 +0100
From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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To: Dave Garrett <davemgarrett@gmail.com>, Hubert Kario <hkario@redhat.com>
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Subject: Re: [TLS] ban more old crap
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On 23/07/15 16:43, Dave Garrett wrote:
> We should just get more serious about banning old crap entirely to
> make dangerous misconfiguration impossible for TLS 1.3+
> implementations.
> 
> Right now, the restrictions section prohibits: RC4, SSL2/3, &
> EXPORT/NULL entirely (via min bits) and has "SHOULD" use TLS 1.3+
> compatible with TLS 1.2, if available

A suggestion - could we remove mention of anything that
is not a MUST or SHOULD ciphersuite from the TLS1.3 document
and then have someone write a separate draft that adds a
column to the registry where we can mark old crap as
deprecated?

Not sure if it'd work though.

S.