On Thu, May 09, 2013, Viktor Dukhovni wrote:

> On Thu, May 09, 2013 at 12:11:38AM +0000, Viktor Dukhovni wrote:
> 
> > Has anyone seen the type of problem reported on the postfix-users list 
> > today?
> > 
> >     http://archives.neohapsis.com/archves/postfix/2013-05/0158.html
> > 
> >     (and earlier posts upthread).
> > 
> > TLS handshakes without session resumption succeed, while resumed
> > sessions always fail, with the server sending a zero-length "finished"
> > message (which encrypts to 32 bytes).  I don't yet which TLS toolkit
> > the server is running.  The version of OpenSSL on the client does
> > not seem to matter.
> 
> However disabling TLS extensions in the client does.  With "no-tlsext",
> the server does not resume past sessions.  Perhaps the server's
> implementation of session tickets is the culprit.  Has anyone else
> observed such servers in the wild?
> 

Try it with -no_ticket

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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