Thanks for reporting this bug and troubleshooting it this far. It looks like a real issue and we have added it to the server team backlog. Maybe there could be an ssl option to have the bionic client accept the smaller DH key.
** Changed in: nagios-nrpe (Ubuntu) Importance: Undecided => Medium ** Changed in: nagios-nrpe (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Ubuntu Server, which is subscribed to nagios-nrpe in 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-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs