nuttx-apps/netutils/ftpc/README.md

Network Utilities / ftpc FTP Client

FTP Commands

• ABOR – abort a file transfer
• ACCT – send account information
• APPE – append to a remote file
• CDUP – CWD to the parent of the current directory
• CWD – change working directory
• DELE – delete a remote file
• HELP – return help on using the server
• LIST – list remote files
• MDTM – return the modification time of a file
• MKD – make a remote directory
• MLSD – Standardized directory listing (instead of LIST)
• MLST – Standardized object listing (instead of LIST)
• MODE – set transfer mode
• NLST – name list of remote directory
• NOOP – do nothing
• PASS – send password
• PASV – enter passive mode
• PORT – open a data port
• PWD – print working directory
• QUIT – terminate the connection
• REIN – reinitialize the connection
• RETR – retrieve a remote file
• REST – Sets the point at which a file transfer should start
• RMD – remove a remote directory
• RNFR – rename from
• RNTO – rename to
• SITE – site-specific commands
• SIZE – return the size of a file
• STOR – store a file on the remote host
• STOU – store a file uniquely
• STRU – set file transfer structure
• STAT – return server status
• SYST – return system type
• TYPE – set transfer type
• USER – send username

FTP Replies

• 110 – Restart marker reply.
• 120 – Service ready in nnn minutes.
• 125 – Data connection already open; transfer starting.
• 150 – File status okay; about to open data connection.
• 200 – Command okay.
• 202 – Command not implemented, superfluous at this site.
• 211 – System status, or system help reply.
• 212 – Directory status.
• 213 – File status.
• 214 – Help message.
• 215 – NAME system type.
• 220 – Service ready for new user.
• 221 – Service closing control connection.
• 225 – Data connection open; no transfer in progress.
• 226 – Closing data connection.
• 227 – Entering Passive Mode (h1, h2, h3, h4, p1, p2).
• 230 – User logged in, proceed.
• 250 – Requested file action okay, completed.
• 257 – PATHNAME created.
• 331 – User name okay, need password.
• 332 – Need account for login.
• 350 – Requested file action pending further information.
• 421 – Service not available, closing control connection.
• 425 – Can't open data connection.
• 426 – Connection closed; transfer aborted.
• 450 – Requested file action not taken.
• 451 – Requested action aborted: local error in processing.
• 452 – Requested action not taken.
• 500 – Syntax error, command unrecognized.
• 501 – Syntax error in parameters or arguments.
• 502 – Command not implemented.
• 503 – Bad sequence of commands.
• 504 – Command not implemented for that parameter.
• 530 – Not logged in.
• 532 – Need account for storing files.
• 550 – Requested action not taken.
• 551 – Requested action aborted: page type unknown.
• 552 – Requested file action aborted.
• 553 – Requested action not taken.