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Re: [TLS] Deprecating SSLv3

Hubert Kario <hkario@redhat.com> Tue, 25 November 2014 11:32 UTC

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From: Hubert Kario <hkario@redhat.com>
To: tls@ietf.org
Date: Tue, 25 Nov 2014 12:32:01 +0100
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Cc: Manuel Pégourié-Gonnard <mpg@polarssl.org>
Subject: Re: [TLS] Deprecating SSLv3
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On Monday 24 November 2014 21:12:03 Manuel Pégourié-Gonnard wrote:
> On 24/11/2014 17:32, Hubert Kario wrote:
> > On Monday 24 November 2014 16:59:35 Martin Rex wrote:
> >> How do TLS extension support fit into your picture?
> > 
> > I don't know.
> > 
> > That is: I'm using openssl command line binary (albeit with few changes,
> > modifications and additions compared to upstream) and as such I don't
> > believe I can send TLS1.0/1.1/1.2 Client Hello without extensions.
> 
> I'm not sure how (in)convenient it would be for you to use another tool in
> addition, but gnutls-cli allows that easily: just add %NO_EXTENSIONS to the
> priority string.
> 
> http://gnutls.org/manual/html_node/Priority-Strings.html#tab_003aprio_002dsp
> ecial1

to actually detect which ciphers, protocol versions, etc. such server supports 
it would require to write a new tool basically

on the other hand, I can use it as a last resort fallback, just to get a 
number of such servers... I'll try adding that

-- 
Regards,
Hubert Kario

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