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@chapinb
Created January 19, 2019 02:05
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$ fgrep Invalid\ user auth.log | head -n 5
Sep 24 06:27:11 tracker sshd[29197]: Invalid user babs from 188.165.201.89
Sep 24 06:27:13 tracker sshd[29199]: Invalid user hostmaster from 180.211.137.8
Sep 24 06:30:10 tracker sshd[29265]: Invalid user prova from 188.165.201.89
Sep 24 06:30:45 tracker sshd[29267]: Invalid user contact from 180.211.137.8
Sep 24 06:34:20 tracker sshd[29269]: Invalid user contact from 180.211.137.8
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