Re: [TLS] ALPN concerns

Nico Williams <nico@cryptonector.com> Wed, 06 November 2013 20:19 UTC

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Date: Wed, 6 Nov 2013 14:18:56 -0600
From: Nico Williams <nico@cryptonector.com>
To: Dr Stephen Henson <lists@drh-consultancy.co.uk>
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Cc: tls@ietf.org
Subject: Re: [TLS] ALPN concerns
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On Wed, Nov 06, 2013 at 06:12:55PM +0000, Dr Stephen Henson wrote:
> On 06/11/2013 18:03, Adam Langley wrote:
> > On Wed, Nov 6, 2013 at 1:00 PM, Xiaoyong Wu <X.Wu@f5.com> wrote:
> >> As I am explaining this in detail, I would say that another work around on this would be making a client hello that exceeds 512 in length.
> > 
> > ^^^ Holy crap. I wish I had known that sooner. That might solve the issue.
> > 
> 
> Just did a quick test with OpenSSL on a couple of known "hang" machines. Seems
> to work.

I'm not adding much, but: that sound we hear is the collective sigh of
relief of the TLS WG list!

This will also help with TLSv1.3, assuming we get there.