端口保护 （Switch port Protect）是一种芯片级的处理技术，该技术和 PVLAN 所实现的功能类 似，使的设置了端口保护的端口都不可以访问其它设置了端口保护的端口，...
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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.
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.
“端口”是用于任务之间通信的受保护的消息队列；任务拥有各自端口的发送和接收权限。
A "port" is a protected message queue for communication between tasks; tasks own send and receive rights to each port.
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