Unable to download and install plugins

Click here to view my old message

Looks like the same thing as in Windows Based Jenkins just started having certificate problems while attempting to run updates .

Sounds like a consequence of enforcing TLS 1.2: can you report the same things as I put in Windows Based Jenkins just started having certificate problems while attempting to run updates - #2 by dduportal please?

[edit] Nevermind: the errors you have here is different than the linked post