關於「FTP DATA Channel port」標籤，搜尋引擎有相關的訊息討論：

How many data channel ports do I need for an FTPS server running ...serverfault.com › questions › how-many-data-channel-port...How the data channel of a ftp is working ? - Stack Overflowstackoverflow.com › questions › how-the-data-channel-of-...What is FTP: Understanding Active