[stunnel-users] How to upgrade OpenSSL version that comes with Stunnel
C Browne
cbcs at comcast.net
Thu Jun 25 16:28:31 CEST 2015
The environment you are working in can make recompiling more or less
easy. With Linux, etc., it is usually very easy to re-compile both.
With Windows, re-compiling stunnel is more difficult and openssl
provides scripts for building a new version using Visual C++. I have
seen a note on the openssl discussions stating that normally one can
upgrade to a new revision of the libraries without rebuilding the
programs using the libraries. So you can can go from 1.0.1c to 1.0.1d,
or 1.0.2a to 1.0.2b, etc. I have done this in the past and have had no
difficulties. However, stunnel does generate a warning message at start
up that the build libraries and the run libraries are at different
levels and recommends that stunnel should be rebuilt. This discussion
presumes that you are using shared openssl libraries with stunnel, and
you do have to pay attention to linkage issues to get the correct
libraries. To the best of my knowledge, Windows only allows one version
of a DLL with a given name to be active at a time and all programs
requesting the named DLL will use an already loaded version of the DLL
even if a different version is in the current load path at the time.
Carter
On 6/25/2015 7:18 AM, Jhon BYaka wrote:
> I'm think, recompiling it's best way.
> In manual, in 'Installing' section you can find how to force path to
> specific version of openSSL when configure build env. Then compile it.
>
> ср, 24 июня 2015 г. в 18:58, Paul Randall <cessnapilot172 at gmail.com
> <mailto:cessnapilot172 at gmail.com>>:
>
> Hi folks,
> Can you please tell me the process for swapping out the version of
> OpenSSL that comes with Stunnel for a newer version of OpenSSL?
> Is there a quick way to do this or does it require recompiling
> Stunnel?
> Thanks.
> Paul
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--
Carter Browne
cbrowne at cbcs-usa.com
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