denyhosts
Sadly there is no documentation for this plugin.
#!/bin/bash
#
# Plugin to monitor the number of hosts denied by DenyHosts
#
# $Log$
# Revision 1.0 2009/06/05 16:00:00 tjansson
# Initial revision
#
# Parameters:
#
# config (required)
# autoconf (optional - used by munin-config)
#
# Magick markers (optional):
#%# family=auto
#%# capabilities=autoconf
LOG=/etc/hosts.deny
if [ "$1" = "autoconf" ]; then
if [ -r "$LOG" ]; then
echo yes
else
echo no
fi
exit 0
fi
if [ "$1" = "config" ]; then
echo 'graph_title Hosts denied by DenyHosts'
echo 'graph_args --base 1000 -l 0'
echo 'graph_vlabel denied hosts '
echo 'graph_category network'
echo 'HostsDenied.label Hosts denied by DenyHosts'
exit 0
fi
echo HostsDenied.value `egrep -c "DenyHosts" $LOG`