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# Fail2Ban configuration file
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#
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# Author: Cyril Jaquier
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#
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#
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[INCLUDES]
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before = sendmail-common.conf
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[Definition]
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# Option: actionstart
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# Notes.: command executed once at the start of Fail2Ban.
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# Values: CMD
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#
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actionstart = printf %%b "Subject: [Fail2Ban] <name>: started on `uname -n`
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From: <sendername> <<sender>>
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To: <dest>\n
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Hi,\n
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The jail <name> has been started successfully.\n
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Output will be buffered until <lines> lines are available.\n
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Regards,\n
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Fail2Ban" | /usr/sbin/sendmail -f <sender> <dest>
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# Option: actionstop
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# Notes.: command executed once at the end of Fail2Ban
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# Values: CMD
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#
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actionstop = if [ -f <tmpfile> ]; then
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printf %%b "Subject: [Fail2Ban] <name>: summary from `uname -n`
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From: <sendername> <<sender>>
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To: <dest>\n
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Hi,\n
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These hosts have been banned by Fail2Ban.\n
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`cat <tmpfile>`
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Regards,\n
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Fail2Ban" | /usr/sbin/sendmail -f <sender> <dest>
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rm <tmpfile>
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fi
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printf %%b "Subject: [Fail2Ban] <name>: stopped on `uname -n`
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From: Fail2Ban <<sender>>
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To: <dest>\n
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Hi,\n
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The jail <name> has been stopped.\n
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Regards,\n
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Fail2Ban" | /usr/sbin/sendmail -f <sender> <dest>
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# Option: actioncheck
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# Notes.: command executed once before each actionban command
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# Values: CMD
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#
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actioncheck =
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# Option: actionban
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# Notes.: command executed when banning an IP. Take care that the
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# command is executed with Fail2Ban user rights.
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# Tags: See jail.conf(5) man page
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# Values: CMD
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#
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actionban = printf %%b "`date`: <ip> (<failures> failures)\n" >> <tmpfile>
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LINE=$( wc -l <tmpfile> | awk '{ print $1 }' )
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if [ $LINE -ge <lines> ]; then
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printf %%b "Subject: [Fail2Ban] <name>: summary from `uname -n`
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From: <sendername> <<sender>>
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To: <dest>\n
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Hi,\n
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These hosts have been banned by Fail2Ban.\n
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`cat <tmpfile>`
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Regards,\n
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Fail2Ban" | /usr/sbin/sendmail -f <sender> <dest>
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rm <tmpfile>
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fi
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# Option: actionunban
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# Notes.: command executed when unbanning an IP. Take care that the
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# command is executed with Fail2Ban user rights.
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# Tags: See jail.conf(5) man page
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# Values: CMD
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#
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actionunban =
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[Init]
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# Default name of the chain
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#
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name = default
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# Default number of lines that are buffered
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#
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lines = 5
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# Default temporary file
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#
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tmpfile = /var/run/fail2ban/tmp-mail.txt
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