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Re: Intermittent SSL Handshake Errors

Maxim Dounin
March 21, 2015 09:14PM
Hello!

On Sat, Mar 21, 2015 at 11:59:17AM -0400, tempspace wrote:

> I should specify that I agree with what is happening. We have clients that
> are falling back under normal conditions, and the latest libssl that
> implemented fallback prevention for TLS is stopping. I have downgraded our
> libssl and I'm looking in my logs, and I see plenty of iOS 8 devices that
> auto-negotiate to TLS 1.2 that end up with a TLS 1.0 session. When the new
> libssl is installed, these connections get blocked.
>
> Is there a way to turn off the fallback prevention for TLS on the server
> side while we try to figure out what's happening?

Looking though OpenSSL code - I don't think it's possible without
OpenSSL code changes. Changes will be trivial though.

--
Maxim Dounin
http://nginx.org/

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Subject Author Posted

Intermittent SSL Handshake Errors

Eric R. January 31, 2015 01:06PM

Re: Intermittent SSL Handshake Errors

Richard Stanway January 31, 2015 02:04PM

Re: Intermittent SSL Handshake Errors

Etienne Champetier January 31, 2015 03:26PM

Re: Intermittent SSL Handshake Errors

ericr February 02, 2015 02:56PM

Re: Intermittent SSL Handshake Errors

tempspace February 02, 2015 03:26PM

Re: Intermittent SSL Handshake Errors

ericr February 03, 2015 01:18PM

Re: Intermittent SSL Handshake Errors

tempspace February 03, 2015 02:04PM

Re: Intermittent SSL Handshake Errors

ericr February 03, 2015 09:42PM

Re: Intermittent SSL Handshake Errors

tempspace February 03, 2015 09:48PM

RE: Intermittent SSL Handshake Errors

Lukas Tribus February 03, 2015 03:42PM

Re: RE: Intermittent SSL Handshake Errors

ericr February 06, 2015 01:49PM

RE: Intermittent SSL Handshake Errors

Lukas Tribus February 06, 2015 06:32PM

Re: Intermittent SSL Handshake Errors

ankneo March 20, 2015 01:57PM

Re: Intermittent SSL Handshake Errors

tempspace March 20, 2015 02:15PM

Re: Intermittent SSL Handshake Errors

ankneo March 26, 2015 02:41PM

Re: Intermittent SSL Handshake Errors

ywarnier April 18, 2015 05:31PM

Re: Intermittent SSL Handshake Errors

DrMickeyLauer May 08, 2015 10:49AM

Re: Intermittent SSL Handshake Errors

Maxim Dounin March 21, 2015 10:54AM

Re: Intermittent SSL Handshake Errors

tempspace March 21, 2015 11:50AM

Re: Intermittent SSL Handshake Errors

tempspace March 21, 2015 11:59AM

Re: Intermittent SSL Handshake Errors

Maxim Dounin March 21, 2015 09:14PM

Re: Intermittent SSL Handshake Errors

flechamobile July 12, 2015 12:33PM

Re: Intermittent SSL Handshake Errors

B.R. July 12, 2015 01:40PM

Re: Intermittent SSL Handshake Errors

flechamobile January 15, 2016 06:36PM

Re: Intermittent SSL Handshake Errors

flechamobile January 15, 2016 06:41PM

Re: Intermittent SSL Handshake Errors

piyushmalhotra February 11, 2016 01:26PM

Re: Intermittent SSL Handshake Errors

tempspace July 14, 2015 09:58PM

Re: Intermittent SSL Handshake Errors

Maxim Dounin July 15, 2015 12:10PM

Re: Intermittent SSL Handshake Errors

piyushmalhotra January 11, 2016 02:13PM



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