FTP Return Codes in Numeric Order

• 110 Restart marker reply. In this case, the text is exact and not left to the particular implementation; it must read: MARK yyyy = mmmm where yyyy is User-process data stream marker, and mmmm server's equivalent marker (note the spaces between markers and "=").
• 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.On how to use the server or the meaning of a particular non-standard command. This reply is useful only to the human user.
• 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.
• 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 (h1,h2,h3,h4,p1,p2).
• 230 User logged in, proceed. Logged out if appropriate.
• 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.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.
• 451 Requested action aborted. Local error in processing.
• 452 Requested action not taken. Insufficient storage space in system.File unavailable (e.g., file busy).
• 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).
• 551 Requested action aborted. Page type unknown.
• 552 Requested file action aborted. Exceeded storage allocation (for current directory or dataset).
• 553 Requested action not taken. File name not allowed.

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