CentOS7配置防火墙

##Add
firewall-cmd --permanent --zone=public --add-port=80/tcp
##Remove
firewall-cmd --permanent --zone=public --remove-port=80/tcp
##Reload
firewall-cmd --reload

复制代码

检查是否生效

firewall-cmd --zone=public --query-port=80/tcp

列出所有的开放端口

firewall-cmd --list-all

查看防火墙状态

systemctl status firewalld.service

启动防火墙

systemctl start firewalld.service

关闭防火墙

systemctl stop firewalld.service

重新启动防火墙

systemctl restart firewalld.service