Fail2ban-client

# fail2ban-client status
Status
|- Number of jail:      5
`- Jail list:   dovecot, nextcloud, postfix-sasl, pure-ftpd, sshd

# fail2ban-client status sshd
Status for the jail: sshd
|- Filter
|  |- Currently failed: 0
|  |- Total failed:     10
|  `- File list:        /var/log/auth.log
`- Actions
   |- Currently banned: 1
   |- Total banned:     2
   `- Banned IP list:   91.65.113.72

# fail2ban-client unban 91.65.113.72