FTP Error Codes

FTP Error Codes Explained

The FTP errors suck. Not knowing the meaning of the error code can avoid a user from troubleshooting the issue. Here is a useful reference list that I found dumped inside the deepest region of my hard drive:

Code Description

  • 100 Codes The requested action is being taken. Expect a reply before proceeding with a new command.
  • 110 Restart marker reply.
  • 120 Service ready in (n) minutes.
  • 125 Data connection already open, transfer starting.
  • 150 File sta.us okay, about to open data connection.
  • 200 Codes The requested action has been successfully completed.
  • 200 Command okay.
  • 202 Command not implemented
  • 211 System sta.us, or system help reply.
  • 212 Directory sta.us.
  • 213 File sta.us.
  • 214 Help message.
  • 215 NAME system type. (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 (file transfer, abort, etc.).
  • 227 Entering Passive Mode
  • 230 User logged in, proceed.
  • 250 Requested file action okay, completed.
  • 257 “PATHNAME” created.
  • 300 Codes The command has been accepted, but the requested action is being held pending receipt of further information.
  • 331 User name okay, need password.
  • 332 Need account for login.
  • 350 Requested file action pending further information.
  • 400 Codes The command was not accepted and the requested action did not take place.
  • 421 Service not available, closing control connection. (May be a reply to any command if the service knows it .ust shut down.)`
  • 425 Can’t open data connection.
  • 426 Connection closed, transfer aborted.
  • 450 Requested file action not taken. File unavailable (e.g., file .usy).
  • 451 Requested action aborted, local error in processing.
  • 452 Requested action not taken. Insufficient storage space in system.
  • 500 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 User 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, storage allocation exceeded
  • 553 Requested action not taken. Illegal file name.