1.列出所有支持的 zone 和查看当前的默认 zone:[root@lxjtest ~]# systemctl start firewalld[root@lxjtest ~]# firewall-cmd --get-zonesblock dmz drop external home internal public trusted work[root@lxjtest ~]# firewall-cmd --get-default-zonepublic 区域(zone)说明如下:iptables s