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Initial commit of check_firewall_active
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23
check_firewall_active/check_firewall_active.sh
Executable file
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check_firewall_active/check_firewall_active.sh
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#!/bin/bash
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EXIT_OK=0
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EXIT_WARN=1
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EXIT_CRIT=2
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PATH=/sbin:/usr/sbin:$PATH
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if [ "$(id -u)" != "0" ]; then
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echo "This script must be run as root" 1>&2
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exit $EXIT_CRIT
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fi
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blocks=$(iptables -L -v -n | egrep 'REJECT|DROP' | wc -l)
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if [ $blocks -eq 0 ]; then
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echo "CRITICAL: No firewall detected"
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exit $EXIT_CRIT
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fi
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echo "OK: Firewall is active"
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exit $EXIT_OK
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check_firewall_active/nrpe.d/check_firewall_active.cfg
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check_firewall_active/nrpe.d/check_firewall_active.cfg
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command[check_firewall_active]=sudo /usr/lib/nagios/plugins/check_firewall_active.sh
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check_firewall_active/sudoers.d/check_firewall_active
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check_firewall_active/sudoers.d/check_firewall_active
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Defaults:nrpe !requiretty
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nrpe ALL = (root) NOPASSWD: /usr/lib/nagios/plugins/check_firewall_active.sh
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