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Re: [TLS] Last Call: <draft-ietf-tls-downgrade-scsv-03.txt> (TLS Fallback Signaling Cipher Suite Value (SCSV) for Preventing Protocol Downgrade Attacks) to Proposed Standard

2015-01-20 09:56:31
On Fri, Jan 9, 2015 at 10:05 AM, The IESG <iesg-secretary(_at_)ietf(_dot_)org> 
wrote:

The IESG has received a request from the Transport Layer Security WG
(tls) to consider the following document:
- 'TLS Fallback Signaling Cipher Suite Value (SCSV) for Preventing
   Protocol Downgrade Attacks'
  <draft-ietf-tls-downgrade-scsv-03.txt> as Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the
ietf(_at_)ietf(_dot_)org mailing lists by 2015-01-23. Exceptionally, comments 
may be
sent to iesg(_at_)ietf(_dot_)org instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.

+1 on making this document a standard.

The mechanism seems sensible and pragmatic.  I have implemented the
mechanism on the server side and the document was clear and helpful;
it took only a few minutes.

I'm not clear on how the IANA process works, but if the document
progresses to RFC (in any status); it'd be great if the existing
extension number and alert values were to remain the same.

-- 
Colm

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