创建一个保护性的面纱，以保持所有设备从本地网络安全从入侵，可能会潜入通过采取保护端口的优势不是很容易的事。

Creating a protective veil to keep all the devices from a local network safe from intrusions that may sneak in by taking advantage of unprotected ports is not a very easy task.

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从互联网仅可以访问端口80和443，从而保护服务器免受安全威胁。

By making only ports 80 and 443 accessible from the Internet, we prevent the server from being compromised.

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需要为每个受保护的数据库分配单独的HADR端口，这些端口不能是已经分配给DB 2实例的端口。

You will need to allocate separate HADR ports for each protected database - these cannot be the same as the ports that have been allocated to the DB2 instance.

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