CentOS7防火牆firewalld設置

添加80端口  重啓後永久生效

firewall-cmd --zone=public --add-port=80/tcp --permanent   

查看防火牆狀態

systemctl status firewalld.service  

啓動防火牆

systemctl start firewalld.service  

關閉防火牆

systemctl stop firewalld.service  

重啓防火牆

systemctl restart firewalld.service  

禁用防火牆 、 禁止防火牆開機啓動

systemctl disable firewalld.service   

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