[openssl-users] Session params output fails via cron

Neil Craig Neil.Craig at bbc.co.uk
Thu Jan 3 10:31:07 UTC 2019

Hi all

Does anyone know why openssl (silently) fails to write session data to a file when run from cron? (It works fine running manually) via e.g.: /path/to/openssl s_client -connect <host>:443 -servername <hostname> -tls1_3 –sess_out

Running the same command but with –tls1_2 works fine from cron. This feels like it might be a bug? Or am I missing something? There’s nothing obvious in the output that suggests failure.

Any help would be much appreciated, happy to provide more info and/or do more testing.


Neil Craig
Lead Technical Architect | Online Technology Group
Broadcast Centre, London W12 7TQ | BC4 A3
Twitter: https://twitter.com/tdp_org


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