# Overall
fail2ban-client status
# Service specific
fail2ban-client status sshd
# Dump the entire compiled configuration
fail2ban-client -d# unban --all unbans all IP addresses (in all jails and database)
# unban <IP> ... <IP> unbans <IP> (in all jails and database)
# example:
fail2ban-client unban --allrestart <JAIL>, reload <JAIL> and reload commands also have the --unban option.
- Practical guide for fail2ban
https://www.tecmint.com/install-fail2ban-to-protect-ssh-on-centos-rhel/