centos 开放端口
(1)获取活动的区域
[root@baomw-centos1 run]# firewall-cmd —get-active-zones
(2)开启某个端口
[root@baomw-centos1 run]# firewall-cmd —zone=public —add-port=3306/tcp —permanent
(3)使用命令加载设置
[root@baomw-centos1 run]# firewall-cmd —reload
(4)查询端口状态
[root@baomw-centos1 run]# firewall-cmd —query-port=3306/tcp
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