Testing certificates with openssl

Tue, 29 Jan 2019 18:40:00 +0100

Nowadays I have to check ssl-configurations quite often and have to accomodate a blur of different CA’s intermediates and wildcard certs.

So for the most basic stuff I reccomend taping Julia Evan’s openssl cheat sheet somewhere in plain view until you can type the commands from it blindly.

But in some cases I needed to…

verify a certificate from your disk against your systems CA

You download or receive a certificate from somewhere, but before installing it, you want to see if it really works:

Openssl on Solutr.com

Testing certificates with openssl

verify a certificate from your disk against your systems CA