#查看防火墙状态firewall-cmd --statesystemctl status firewalldsystemctl status firewalld.service#敞开防火墙systemctl stop firewalld.service#禁止防火墙开启启动systemctl disable firewalld.service查看服务是否开机启动systemctl is-enabled firewalld.service#查看防火墙状态firewall-cmd --statesystemctl status firewalldsystemctl status firewalld.service#敞开防火墙systemctl stop firewalld.service#禁止防火墙开启启动systemctl disable firewalld.service查看服务是否开机启动systemctl is-enabled firewalld.service