centos7防火墙配置端口

查看防火墙状态

firewall-cmd --state

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通过systemctl start firewalld开启防火墙

停止firewall

systemctl stop firewalld.service

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禁止firewall开机启动

systemctl disable firewalld.service 

2.开启80端口
firewall-cmd --zone=public(作用域) --add-port=80/tcp(端口和访问类型) --permanent(永久生效)
3.重启防火墙
firewall-cmd --reload
4.停止防火墙
systemctl stop firewalld.service
5.禁止防火墙开机启动
systemctl disable firewalld.service
6.删除
firewall-cmd --zone= public --remove-port=80/tcp --permanent

注意：设置了端口后要重启防火墙firewall-cmd --reload