fail2ban-client status sshd

cat /var/log/fail2ban.log

systemctl status fail2ban

systemctl status sshd

python /etc/fail2ban/scripts/mqtt.py 186.237.58.214

fail2ban-client set sshd unbanip  186.237.58.214
fail2ban-client set sshd banip  101.43.32.151

sudo dnf install python3-paho-mqtt



to release SELINUX to acess port and others

audit2allow -w -a
audit2allow  -a
audit2allow  -a -M fail2ban_t
semodule -i fail2ban_t.pp