Icinga2 Scripts

check_fail2ban

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check_fail2ban

Installation

This plugin requires fail2ban and sudo installed. Also several commands must be runnable by nagios user with sudo, so add the following to visudo:

    # Needed for check_fail2ban
    nagios  ALL=NOPASSWD: /usr/bin/fail2ban-client status
    nagios  ALL=NOPASSWD: /usr/bin/fail2ban-client status *
    nagios  ALL=NOPASSWD: /usr/bin/fail2ban-client get * bantime

Usage

        ./check_fail2ban -h Display this message
                         -w <warning level> defaults to 10
                         -c <crit level> defaults to 20
                         -t Time: Display until when IPs will be banned
                         -j <jaillist> i.e. comma separated string of jails, i.e. ssh,postfix
                            Only check those jails

Examples

        ./check_fail2ban -t -w 5 -c 10 -j ssh,postfix
        ./check_fail2ban -t

Example Output

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Donation

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