In recent versions, with "LogLevel INFO", the following is logged:
Connection closed by 172.16.0.1 [preauth] But setting "LogLevel VERBOSE" gives this: Connection from 172.16.0.1 port 42049 on 172.16.0.2 port 22 Failed publickey for simon from 172.16.0.1 port 42049 ssh2: RSA ab:cd:ef:00:11:22:33:44:55:66:77:88:99:aa:bb:cc Connection closed by 172.16.0.1 [preauth] -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/501956 Title: OpenSSH does not log failed attempts when key authentication is used To manage notifications about this bug go to: https://bugs.launchpad.net/openssh/+bug/501956/+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