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RE: Intermittent SSL Handshake Errors

Lukas Tribus
February 06, 2015 06:32PM
> We've been unable to reproduce it with any one browser or IP address. It
> really is very intermittent. Fortunately, I believe we've gotten to the
> bottom of this. It looks like our data center switched us over to anti-DDoS
> route. This means all of our traffic has been passing through hardware that
> performs heavy packet filtering. The packet loss was causing a lot of
> confusion for both server and clients. The TLS version fallback that some
> browsers do upon an unsuccessful handshake made it all the more confusing,
> since these errors get logged as SSL errors in nginx logs.

So a MITM security device basically did a TLS downgrade attack here, which
the new fallback extension successfully prevented.

Thats a good thing, it means it works.


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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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