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1.查看防火墙状态 [root@iZ237682 ~]# firewall-cmd –state not running 2.systemctl start/stop/restart firewalld 3.开机启动 systemctl enable firewalld 4.查看防火墙规则 [root@iZ237 ~]# firewall-cmd –list-all public target: default icmp-block-i
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