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5.1. MINIMUM IMPLEMENTATION

In order to make FTP workable without needless error messages, the following minimum implementation is required for all servers:

Required Support​

  • TYPE - ASCII Non-print
  • MODE - Stream
  • STRUCTURE - File, Record
  • COMMANDS - USER, QUIT, PORT, TYPE, MODE, STRU (for the default values), RETR, STOR, NOOP.

Default Values for Transfer Parameters​

The default values for transfer parameters are:

  • TYPE - ASCII Non-print
  • MODE - Stream
  • STRU - File

All hosts must accept the above as the standard defaults.

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