Supported Commands

The Embedded FTP Server supports only a subset of standard FTP Commands. The following FTP Commands are supported:

Code	Command	Description
USER	User Name	Starts login with name identifying the user.
PASS	Password	Continues login with the user's password.
QUIT	Logout	Closes the user connection.
SYST	System	Identifies the operating system at the server.
NOOP	No Operation	Sends an OK reply.
XNOP	No Operation	(same as NOOP)
PWD	Print Working Directory	Returns the name of the current working directory.
XPWD	Print Working Directory	(same as PWD)
CWD	Change Working Directory	Changes the current working directory of the user.
XCWD	Change Working Directory	(same as CWD)
CDUP	Change Directory Up	Changes working directory to the parent of the current directory.
XCUP	Change Directory Up	(same as CDUP)
MKD	Make Directory	Creates a sub directory in the current working directory.
XMKD	Make Directory	(same as MKD)
RMD	Remove Directory	Removes the directory.
XRMD	Remove Directory	(same as RMD)
TYPE	Representation Type	Supports ASCII and Image types.
PORT	Data Port	Specifies the data port to be used in data connection.
PASV	Passive	Requests the server to listen on a data port and wait for a connection.
LIST	List	Sends a directory listing to the user.
NLST	Name List	Sends a directory listing to the user.
RETR	Retrieve	Sends a file content to the user.
STOR	Store	Saves a captured user file on server.
APPE	Append	Appends a captured user file to an existing file on server.
DELE	Delete	Deletes a specified file from server.
RNFR	Rename From	Specifies the name of existing file to rename. (must be followed by RNTO).
RNTO	Rename To	Renames an existing file to new name.
HELP	Help	Returns a list of supported commands.
SIZE	Size	Returns the size of a specified file.
MDTM	Last-modified Time	Returns last-modified time of a specified file.