Make sure port transfer connections originate from port 20 (ftp-data).

确定传输联接端口从20开始(？)

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If a single storage port or server port fails, the server still has another path for data transfer.

如果单个存储器端口或服务器端口失败，服务器还有一条路径用于数据传输。

youdao

TCP port 139 is used only for the session services, which are file transfer and message passing.

TCP 端口 139 仅用于会话服务，即文件传输和消息解析。

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Traditionally, computers have a port to transfer video of their screen, and separate ports, such as USB (Universal Serial Bus), FireWire, and PCI Express (Peripheral Component Interconnect Express), among others that are less well known.

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For instance, Web browsers generally bring HTML code into the system via port 80, while FTP programs transfer files through port 21.

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It was unclear exactly what DP World has in mind for the "entity" to which it will transfer the six port operations--or whether the entity might be simply a U.S. subsidiary of DP World itself.

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