debian auth log errors
Jun 14 13:33:36 debian10-test1 sshd[14476]: Failed keyboard-interactive/pam for invalid
user linuxuser2(a)vuwtest.ac.nz from 1 0.120.248.104
port 61903 ssh2
Jun 14 13:33:36 debian10-test1 sshd[14476]: Postponed keyboard-interactive for invalid
user linuxuser2(a)vuwtest.ac.nz from 10 .120.248.104
port 61903 ssh2 [preauth]
Jun 14 13:33:40 debian10-test1 sshd[14479]: pam_unix(sshd:auth): check pass; user unknown
Jun 14 13:33:40 debian10-test1 sshd[14479]: pam_unix(sshd:auth): authentication failure;
logname= uid=0 euid=0 tty=ssh ruser =
rhost=10.120.248.104
Jun 14 13:33:40 debian10-test1 sshd[14479]: pam_sss(sshd:auth): authentication failure;
logname= uid=0 euid=0 tty=ssh ruser=
rhost=10.120.248.104 user=linuxuser2(a)vuwtest.ac.nz
Jun 14 13:33:40 debian10-test1 sshd[14479]: pam_sss(sshd:auth): received for user
linuxuser2(a)vuwtest.ac.nz: 10 (User not kno wn to the
underlying authentication module)
Jun 14 13:33:42 debian10-test1 sshd[14476]: error: PAM: Authentication failure for illegal
user linuxuser2(a)vuwtest.ac.nz fro m 10.120.248.104
Jun 14 13:33:42 debian10-test1 sshd[14476]: Failed keyboard-interactive/pam for invalid
user linuxuser2(a)vuwtest.ac.nz from 1 0.120.248.104
port 61903 ssh2
Jun 14 13:33:42 debian10-test1 sshd[14476]: Postponed keyboard-interactive for invalid
user linuxuser2(a)vuwtest.ac.nz from 10 .120.248.104
port 61903 ssh2 [preauth]
Jun 14 13:33:50 debian10-test1 sshd[14476]: Connection closed by invalid user
linuxuser2(a)vuwtest.ac.nz 10.120.248.104 port 6 1903
[preauth]