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Installation

Fail2ban Documentation
Linode Fail2ban Guide

yum install fail2ban
apt install fail2ban

etc..

apt install nginx python-certbot-nginx

certbot --nginx -d www.domain.com -d domain.com

 

Configuration Files

cd /etc/fail2ban/

To modify configs, copy any fail2ban.conf to fail2ban.local and modify the copied fail2ban.local configuration file. Fail2ban will automatically override the settings in fail2ban.conf with those in fail2ban.local
cp /etc/fail2ban/fail2ban.conf /etc/fail2ban/fail2ban.local

/etc/fail2ban/jail.conf
    ignoreip
      An IP address for fail2ban to ignore maxrety
        Number of retries before being locked out
        Log Files

        /var/log/messages

        Shows all failed log attemps, config changes


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