firewall-cmd examples

firewall-cmd --get-default-zone
firewall-cmd --get-zones

firewall-cmd --list-interfaces
firewall-cmd --add-interface=<interface>

firewall-cmd --add-service=http

firewall-cmd --add-port=443/tcp
firewall-cmd --permanent --add-port=443/tcp

firewall-cmd --add-masquerade
firewall-cmd --add-service=dns --add-service=dhcp
firewall-cmd --runtime-to-permanent

firewall-cmd --permanent --direct --get-all-rules