Fail2Ban Notes
DRAFT.
fail2ban.org
Put customizations and configurations in ".local" files.
/etc/fail2ban/jail.local
Files are applied in the following order:
/etc/fail2ban/jail.conf
/etc/fail2ban/jail.d/*.conf, alphabetically
/etc/fail2ban/jail.local
/etc/fail2ban/jail.d/*.local, alphabetically
The last value set takes precedence.
https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-centos-7
Check fail2ban status:
fail2ban-client status
fail2ban-server status postfix-sasl
Restart
systemctl restart fail2ban