開啓端口:
firewall-cmd --zone=public --add-port=80/tcp --permanent
查詢端口號80 是否開啓:
firewall-cmd --query-port=80/tcp
重啓防火牆:
firewall-cmd --reload
查詢有哪些端口是開啓的:
firewall-cmd --list-port
啓動放火牆:
systemctl start firewalld
關閉防火牆:
systemctl stop firewalld
查看防火牆是否啓動
systemctl status firewalld