centos firewall-cmd get all zones code example

Example 1: firewall-cmd add port 8080

sudo firewall-cmd --zone=public --permanent --add-port=5000/tcp
sudo firewall-cmd --zone=public --permanent --add-port=4990-4999/udp
sudo firewall-cmd --zone=public --permanent --list-ports

Example 2: firewall cmd add zone

firewall-cmd --permanent --new-zone [zone]