firewallD command add & remove

port enable or not 
[root@proxy ]# firewall-cmd --zone=public --query-port=80/tcp

remove rules:

firewall-cmd --permanent --zone=public --remove-forward-port port=80:proto=tcp:toport=3128:toaddr=192.168.1.179
success
 

firewall-cmd --reload

remove port nmuber: 

[root@proxy ~]# firewall-cmd --permanent --zone=public --remove-port=80/tcp
success
[root@proxy ~]# firewall-cmd --reload
success
 

list firewall rules:

firewall-cmd --list-all

list active zone


firewall-cmd --get-active-zone