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## CentOS 7 firewall 操作参考 ### 常用方法 防火墙开机启动 ```shell systemctl enable firewalld.service ``` 查看防火墙状态 ```shell firewall-cmd --state ``` 开启防火墙 ```shell systemctl start firewalld.service ``` 查看 active zones ```shell firewall-cmd --get-active-zones ``` 查看开放的端口 ```shell firewall-cmd --zone=public --list-ports ``` 开放 8080 端口,关闭 80 端口 ```shell firewall-cmd --zone=public --add-port=8080/tcp --permanent firewall-cmd --zone=public --remove-port=80/tcp --permanent firewall-cmd --reload ``` 重启 ```shell systemctl restart firewalld.service ``` 重新加载载 ```shell firewall-cmd --reload ``` ### 参考 > https://www.cnblogs.com/wolf-sun/p/9953667.html > https://www.jb51.net/article/135124.htm
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