tools/fail2ban.html


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       <title>Fail2ban</title>
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       <a href="index.html">Tools Index</a>

       <h1>Fail2ban</h1>

       <pre>
       $ prt-get depinst fail2ban
       </pre>

       <h2 id="conf">1. Configure</h2>

       <p>To start fail2ban at next boot edit /etc/rc.conf and add fail2ban.
       Fail2ban will verify if /etc/fail2ban/jail.local exist, if exist will
       use it. Copy distribution jail.conf to jail.locol;</p>

       <pre>
       $ sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
       </pre>

       <p>Edit /etc/fail2ban/jail.local, example configuration;</p>

       <pre>
       [ssh-iptables]

       enabled  = enable
       filter   = sshd
       action   = iptables[name=SSH, port=ssh, protocol=tcp]
                  sendmail-whois[name=SSH, dest=admin@box, sender=fail2ban@box, sendername="fail2ban"]
                  logpath  = /var/log/auth
                  maxretry = 5
       </pre>

       <p>Test a filter</p>

        <pre>
        # fail2ban-regex /var/log/iptables iptables-ssh.conf
        </pre>

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        <p>
        This is part of the c9-doc Manual.
        Copyright (C) 2018
        c9 team.
        See the file <a href="../fdl-1.3-standalone.html">Gnu Free Documentation License</a> for copying conditions.</p>
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