linux防火墙简单设置

查看防火墙状态

systemctl status firewalld

打开防火墙

systemctl start firewalld

关闭防火墙

systemctl stop firewalld

开机开启防火墙

systemctl enable firewalld

开机禁用防火墙

systemctl disable firewalld

安装防火墙

sudo apt-get install firewalld

开放端口tcp500

firewall-cmd --add-port=500/tcp --permanent

firewall-cmd --reload

关闭端口

firewall-cmd --remove-port=500/tcp --permanent

firewall-cmd --reload

查看开放的端口

firewall -cmd --list-all

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原文链接：https://blog.csdn.net/sinat_38259539/article/details/122054481

https://blog.csdn.net/qq_33764934/article/details/110133011