Centos7防火墙相关配置

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

删除端口
firewall-cmd --zone=public --remove-port=80/tcp --permanent

查看端口开放状态
firewall-cmd --query-port=80/tcp

重启加载防火墙配置
firewall-cmd --reload

查看开放了哪些端口
firewall-cmd --list-port

停止防火墙
systemctl stop firewalld.service

启用防火墙
systemctl enable firewalld.service

禁止firewall
systemctl disable firewalld.service

查看防火墙状态
systemctl status firewalld

启动防火墙
systemctl start firewalld