如何关闭和开启Centos7防火墙

1、首先查看防火墙的启动状态，显示是：not running，是关闭的状态，开启和关闭防火墙firewall-艘早祓胂cmd –statesystemctl start firewalld.servicesystemctl stop firewalld.service

3、前面为临时打开关闭防火墙，reboot重启电脑后又会恢复成开启的状态，如果是想重启后防火墙还是处于关闭的状态，就可以使用命令。disable是开启不启动，enable是开启自启动。system艘早祓胂ctl list-unit-files | grep firewalldsystemctl disable firewalld.servicesystemctl enable firewalld.service