Fail2ban
jail.local
[sshd] enabled = true port = ssh logpath = %(sshd_log)s backend = %(sshd_backend)s maxretry = 10 bantime = -1 action = iptables[name=SSH, port=22, protocol=tcp] telegram
jail.local
[sshd] enabled = true port = ssh logpath = %(sshd_log)s backend = %(sshd_backend)s maxretry = 10 bantime = -1 action = iptables[name=SSH, port=22, protocol=tcp] telegram