Centos7.x firewalld配置详解推荐文章
文章地址:https://blog.****.net/jsonxiang/article/details/87873493
一.firewalld基本用法
启动： systemctl start firewalld
关闭： systemctl stop firewalld
查看状态： systemctl status firewalld
开机禁用 ： systemctl disable firewalld
开机启用 ： systemctl enable firewalld
https://blog.****.net/qq_36492368/article/details/80432259
超级详细
https://blog.51cto.com/5001660/2097028