Not matching regex:
^%(__prefix_line)s[iI](?:llegal|nvalid) user .* from <HOST>.*\s*$
Enjoy
Correct fail2ban filter for sshd on Amazon Linux
Fail2ban does not catch the regular expression for Invalid or Illegal ssh logins on Amazon Linux. So far the fix goes like this:
Not matching regex:
^%(__prefix_line)s[iI](?:llegal|nvalid) user .* from <HOST>\s*$
^%(__prefix_line)s[iI](?:llegal|nvalid) user .* from <HOST>.*\s*$
Enjoy
Not matching regex:
^%(__prefix_line)s[iI](?:llegal|nvalid) user .* from <HOST>.*\s*$
Enjoy
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