A very similar issue seems to have been addressed in sshguard 2.3 where "Failed publickey" logs with the key fingerprint at the end of the log line (as per Bionic's openssh 7.6 behavior) were not detected and therefore not blocked.
https://bitbucket.org/sshguard/sshguard/commits/cbf6332a3b21486136574e6968367f0bda293b5a -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859809 Title: sshguard <2.1.0 doesn't match "Failed password for invalid user ..." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sshguard/+bug/1859809/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
