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LIST OF COMMON FTP ERROR CODES
Networking

LIST OF COMMON FTP ERROR CODES 

LIST OF COMMON FTP ERROR CODES

File Transfer Protocol (FTP) is a network protocol responsible for transferring file between hosts. An FTP on the other hand, is a server that serves as a central repository for files that users can download and, in some cases, upload.

It can then also authenticate users based on user name and password combination but and FTP server can also be configured to allow users to connect anonymously.

FTP uses TCP/IP port 20 and 21; port 20 is for transmitting data between the FTP server and client while the port 21 is used for transmitting instructions between the FTP server and client.

FTP server return codes always have three digits and each digit has a unique meaning. The first digit denotes whether the response is good, bad or incomplete.

NOTE: Error messages are very much important to be read whenever they appear on our computer screen or any electronic device. It really helps us to understand the situation at hand.  Below are brief explanations of the most common status and error codes. The table below is provided so that you have some idea whether you can solve the issue on your own or you need to call your ISP for assistance.

 

ERROR CODES

MEANINGS

230

User logged in, proceed. Logged out if appropriate.

227

Entering Passive Mode (h1, h2, h3, h4, p1, p2).
250

Requested file action okay, completed.

257

“PATHNAME” created

120

 Service ready in nnn minutes.
125

Data connection already open; transfer starting

350

Requested file action pending further information

331

User name okay, need password.

332

Need account for login.

213

File status.

425

Can’t open data connection

212

Directory status.

150

File status okay; about to open data connection.

200

Command okay.

202

Command not implemented, superfluous at this site.

530

Not logged in

501

Syntax error in parameters or arguments.
220

Service ready for new user.

503

Bad sequence of commands.
211

System status, or system help reply.

421

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

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.

532

Need account for storing files.

502

Command not implemented.
504

Command not implemented for that parameter.

550

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

225

Data connection open; no transfer in progress.
426

Connection closed; transfer aborted.

226

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

552

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

551

Requested action aborted. Page type unknown.

221

Service closing control connection.
553

Requested action not

450

Requested file action not taken
451

Requested action aborted. Local error in processing.

500

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

452

Requested action not taken. Insufficient storage space in system. File unavailable (e.g., file busy).

 

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