FTP Error codes

100 - The requested action is being initiated, expect another reply before proceeding with a new command.

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 - The requested action has been successfully completed.

200 - Command okay.

202 - Command not implemented, superflous at this site.

211 - System status, or system help reply.

212 - Directory status.

213 - File status.

214 - Help message.

215 - NAME system type. (Where NAME is an official system name
      from the list in the Assigned Numbers document.)

220 - Service ready for new user.

221 - Service closing control connection. Logged out if appropriate.

225 - Data connection open; no transfer in progress.

226 - Closing data connection. Requested file action successful
      (for example, file transfer or file abort).

227 - Entering Passive Mode

230 - User logged in, proceed.

250 - Requested file action okay, completed.

257 - "PATHNAME" created.

300 - The command has been accepted, but the requested action is being held
      in abeyance, pending receipt of further information.

331 - User name okay, need password.

332 - Need account for login.

350 - Requested file action pending further information.

400 - The command was not accepted and the requested action did not take place,
      but the error condition is temporary and the action may be requested again.

421 - Service not available, closing control connection. This may be a reply
      to any command if the service knows it must shut down.

425 - Can't open data connection.

426 - Connection closed; transfer aborted.

450 - Requested file action not taken. File unavailable (e.g., file busy).

451 - Requested action aborted: local error in processing.

452 - Requested action not taken. Insufficient storage space in system.

500 - Series Codes: The command was not accepted and the requested action
      did not take place.

500 - Syntax error, command unrecognized. This may include errors such as
      command line too long.

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. File unavailable (e.g., file not found, no access).

552 - Requested file action aborted. Exceeded storage allocation (for
      current directory or dataset).

553 - Requested action not taken. File name not allowed.