firewall-cmd --get-active-zones
firewall-cmd --get-default-zone
firewall-cmd --list-all firewall-cmd --list-all --permanent
firewall-cmd --list-services --permanent firewall-cmd --permanent --add-service=http firewall-cmd --state firewall-cmd --get-services firewall-cmd --list-services --permanent firewall-cmd --list-ports --permanent firewall-cmd --add-service=http --permanent firewall-cmd --remove-service=http --permanent firewall-cmd --reload