[sr-dev] git:master:8dc18cab: tls: docs - added note about --atexit=no cli param for newer libssl versions

Module: kamailio Branch: master Commit: 8dc18cab5bc32c1d34a9113242d230b7458d4075 URL: https://github.com/kamailio/kamailio/commit/8dc18cab5bc32c1d34a9113242d230b… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2021-12-14T14:02:41+01:00 tls: docs - added note about --atexit=no cli param for newer libssl versions --- Modified: src/modules/tls/doc/tls.xml --- Diff: https://github.com/kamailio/kamailio/commit/8dc18cab5bc32c1d34a9113242d230b… Patch: https://github.com/kamailio/kamailio/commit/8dc18cab5bc32c1d34a9113242d230b… --- diff --git a/src/modules/tls/doc/tls.xml b/src/modules/tls/doc/tls.xml index b5ea415ae79..e356d5bff7c 100644 --- a/src/modules/tls/doc/tls.xml +++ b/src/modules/tls/doc/tls.xml @@ -64,6 +64,15 @@ that uses libssl (OpenSSL library). A safe option is to have the tls module loaded first (be in the first "loadmodule" in &kamailio;.cfg). </para> + <para> + IMPORTANT: using this module compiled with newer versions of libssl + (e.g., v1.1+) may require &kamailio; to be started with + <emphasis>--atexit=no</emphasis> command line parameters to avoid + calling C atexit callbacks inside the process ending during + daemonize procedure as well as during shut down, which can lead + to crashes because it destroys and then accesses shared memory. For + example, such case has been reported for Ubuntu 20.04 or RedHat 8. + </para> </section> <section id="tls.quick_start"> <title>Quick Start</title>