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FTP (File Transfer Protocol)

The File Transfer Protocol (FTP) is a network protocol that provides file access, file transfer, and file management functionalities.

FTP is built on a client-server architecture and uses separate control and data connections between the client and the server. FTP users may authenticate themselves using a clear-text sign-in protocol, normally in the form of a username and password, but can connect anonymously if the server is configured to allow it. For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS (FTPS).1)

Active and Passive Mode

Learn about FTP connection modes (active and passive).


FTP Server Response Codes

1) The text is partially copied from Wikipedia article on File Transfer Protocol. The text is licensed under GNU Free Documentation License.
  ftp.txt · Last modified: by Petr

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