This gets worse. Adding the following to the tail of /etc/ssh/sshd_config does not configure the service properly.
PasswordAuthentication no ChallengeResponseAuthentication no UsePAM no PubkeyAuthentication yes PermitRootLogin no The login attempts are still allowed: Apr 01 09:31:10 localhost sshd[239597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.77 user=root Apr 01 09:31:13 localhost sshd[239597]: Failed password for root from 49.88.112.77 port 50368 ssh2 Apr 01 09:31:16 localhost sshd[239597]: Failed password for root from 49.88.112.77 port 50368 ssh2 Apr 01 09:31:19 localhost sshd[239597]: Failed password for root from 49.88.112.77 port 50368 ssh2 Apr 01 09:31:20 localhost sshd[239597]: Received disconnect from 49.88.112.77 port 50368:11: [preauth] Apr 01 09:31:20 localhost sshd[239597]: Disconnected from authenticating user root 49.88.112.77 port 50368 [preauth] Apr 01 09:31:20 localhost sshd[239597]: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.77 user=root -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1922212 Title: SSHD does not honor configuration files To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1922212/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
