systemctl status firewalld.service # 查看防火墙状态
systemctl start firewalld.service # 开启防火墙
systemctl stop firewalld.service # 关闭防火墙
systemctl enable firewalld.service # 将防火墙设置为开机自启动
systemctl disable firewalld.service # 关闭开机自启动
Original: https://www.cnblogs.com/woods1815/p/16610055.html
Author: 幽篁晓筑
Title: Linux Centos 打开和关闭防火墙
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