Some commands I often use when working with RedHat 8.x.
Check if the firewall is active and running on RedHat 8.x
systemctl status firewalldTo stopt the firewall daemon on RedHat 8.x:
systemctl stop firewalldStart the firewall daemon on RedHat 8.x:
systemctl start firewalldTo disable the firewall even after reboot:
systemctl disable firewalldEnable the firewall daemon after reboot:
systemctl enable firewalld