Hi, I've got the same problem here. Indeed, there's a difference between 18.04 (nrpe v3) & older releases which contain nrpe v2. However the nrpe client has an option to force backward compatibility: check_nrpe -2, which should work with older server. The error stays exactly the same nevertheless.
** Changed in: nagios-nrpe (Ubuntu) Status: Expired => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1782650 Title: nrpe plugin in bionic fails with "Error - Could not complete SSL handshake" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nagios-nrpe/+bug/1782650/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs