How to remove access to a port using firewall on Centos7? – Server Fault
firewall-cmd --zone=public --remove-port=10050/tcp firewall-cmd --runtime-to-permanent firewall-cmd --reload systemctl restart firewalld firewall-cmd --zone=public --list-ports or firewall-cmd --remove-port=8081/tcp --permanent firewall-cmd --reload firewall-cmd --list-all
