centos防火墙配置（Centos防火墙配置）

systemctl start firewalld：开启防火墙

systemctl stop firewalld：关闭防火墙

systemctl restart firewalld：重启防火墙

systemctl status firewalld：查看防火墙状态

firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.159.88" port protocol="tcp" port="8080" accept"

允许192.168.159.88访问8080端口

firewall-cmd --permanent --remove-rich-rule="rule family="ipv4" source address="192.168.159.88" port protocol="tcp" port="8080" accept"

不允许192.168.159.88访问8080端口

firewall-cmd --permanent --zone=public --add-port=8080/tcp

允许所有IP访问8080端口

firewall-cmd --permanent --zone=public --remove-port=8080/tcp

不允许访问8080端口

firewall-cmd --reload：做了修改一定要重载一下，才能生效

firewall-cmd --list-ports：查看允许访问的端口