CentOS7防火墙常用命令

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

添加80端口配置
firewall-cmd --permanent --zone=public --add-port=80/tcp

查看端口
firewall-cmd --zone=public --query-port=80/tcp

移除80端口配置
firewall-cmd --permanent --zone=public --remove-port=80/tcp

重新加载配置
firewall-cmd --reload