Testing certificates with openssl
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:...