[CentOS] C5 recent openssl update breaks mysql SSL connection
Tony Mountifield
tony at softins.co.uk
Tue Aug 18 10:43:58 UTC 2015
In article <20150818092704.GA13601 at users.sourceforge.net>,
<lhecking at users.sourceforge.net> wrote:
>
> > Maybe so, but still a side issue. Openssl 0.9.8e was recently updated.
> > Some change in this update has broken something. I would like to understand
> > what, and so ought the package maintainers. C5 isn't EOL until March 2017.
>
> rpm -q --changelog openssl-0.9.8e. You weren't clear which version you
> upgraded from, but you mentioned testing against openssl-0.9.8e-27.el5_10.1
> (from March 2014, nevertheless), which works.
>
> I would hazard a guess that this is the change causing your problem.
>
> * Fri Jun 26 2015 Tomas Mraz <tmraz at redhat.com> 0.9.8e-36
> - also change the default DH parameters in s_server to 1024 bits
>
> Here's some more info,
>
> https://www.openssl.org/blog/blog/2015/05/20/logjam-freak-upcoming-changes/
>
> RH must have backported this fix to 0.9.8e.
>
> There seem to be many reports out there that the openssl update broke mysql,
> but unfortunately, at a quick glance, they are all about RHEL6/openssl 1.0.1,
> so you're most likely on your own. I'm quite ignorant of mysql, but it looks
> like you may be able to get this to work again by changing the cipher in mysql
> and regenerating your cert.
>
> https://www.howtoforge.com/how-to-set-up-mysql-database-replication-with-ssl-encryption-on-centos-5.4
Interesting... many thanks for the pointers! Something for me to experiment with...
Cheers
Tony
--
Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org
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