RFC Extensions

Use this panel to enable FTP server functions that were not included in RFC 959.

Steps

  1. Decide if the server should respond to client MDTM (modify time) commands. It is recommended you enable this function since there are no performance or integrity concerns.
  2. Decide if the server should respond to the client SIZE commands. There are performance considerations, since the server must count the number of bytes in the files. If you want to use the restart stream mode file transfer function, enabling the SIZE function is required.
  3. Check the "Enable the FTP server to restart stream mode file transfers" if you want use this function.

You have completed this panel after making your desired selections.

Fields

MDTM

Checking the box labeled "Enable the FTP server to respond to the MDTM command." allows the server to reply with the time a file was last modified when responding to the MDTM (modify time) command. Since this function was not part of RFC 959, you must check this box to enable this function. The MDTM command is applicable only for HFS files.

It is recommended you enable this function since there are no performance or integrity concerns.

SIZE

Checking the box labeled "Enable the FTP server to respond to the SIZE command." allows the server to reply with the size of a file or files when responding the SIZE command. Since this function was not part of RFC 959, you must check this box to enable this function. Enabling the server to respond to the SIZE command does have some performance implications, since the server must count the number of bytes in a file.

Restart stream mode file transfers

Checking the box labeled "Enable the FTP server to restart stream mode file transfers" enables the server restart function. Enabling the SIZE extension is a prerequisite for the restart function.

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