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Can you provide more from your /var/log/auth.log. I tried a local test with a non-existing user, and this is what I see in the log (on ubuntu 20.04 instance) Oct 23 16:23:48 vps-34 sshd[35253]: Invalid user adminxxx from 123.123.123.123 port 35382 Oct 23 16:23:50 vps-34 sshd[35253]: pam_unix(sshd:auth): check pass; user unknown Oct 23 16:23:50 vps-34 sshd[...


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