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October 25, 2017 14:45
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Gets a list of ips with number of failed login attempt on sshd
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| grep "$(date +"%b %d")" /var/log/auth.log | grep sshd | grep -i "failed password" | sed -r "s/.*\s(([0-9]+\.){3}[0-9]+)\s.*/\1/g" | sort | uniq -c | sort -n |
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