Question:

You've configured your web server to serve as an FTP server. Internet users report that they are unable to connect to the server using FTP clients. What port should they try to connect to the server through?

A 21

explanation

The File Transfer Protocol (FTP) is designed specifically for downloading files from servers. It connects to port 21. The Secure Shell (SSH) protocol utilizes port 22, Telnet uses port 23, and HTTP uses port 80.

You've configured your web server to serve as an FTP server. Internet users report that they are unable to connect to the server using FTP clients. What port should they try to connect to the server through?

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