關於「FTP port number」標籤，搜尋引擎有相關的訊息討論：

FTP Port Numbers : Explained - Netspace™ (India)www.netspaceindia.com › different-types-of-ftp-port-numberWhat are the FTP ports? - Server Faultserverfault.com › questions › what-are-the-ftp-portsFTP port – how to forward and open access - Eltima Mac Softwaremac.eltima.com › Fi