9 lines
366 B
Bash
Executable file
9 lines
366 B
Bash
Executable file
#!/usr/bin/env bash
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# Author: Oliver Ladner <oli@lugh.ch>
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# License: LGPL
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#
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# Displays a summary of failed IMAP login attempts by country
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postfix_logfile='/var/log/mail.log'
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for ip in $(grep 'auth failed' $postfix_logfile | awk {'print $17'} | sed 's/,//' | awk -F'=' {'print $2'} | sort -n | uniq); do geoiplookup $ip; done | sort | uniq -c | sort -n | tail -10
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