FTP 202 Command Superfluous vs 250 File Action OK
Both FTP 202 (Command Superfluous) and 250 (File Action OK) belong to the 2xx Positive Completion category. 202 indicates that the command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect. Meanwhile, 250 means that requested file action okay, completed. The operation on the file or directory was successful.
Описание
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Когда вы это видите
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Как исправить
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
Описание
Requested file action okay, completed. The operation on the file or directory was successful.
Когда вы это видите
After successfully changing directories (CWD), deleting a file (DELE), or renaming a file (RNTO).
Как исправить
No fix needed — the file operation completed successfully.
Ключевые различия
FTP 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
FTP 250: Requested file action okay, completed. The operation on the file or directory was successful.
You encounter 202 when when you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
You encounter 250 when after successfully changing directories (CWD), deleting a file (DELE), or renaming a file (RNTO).
Когда что использовать
For 202 (Command Superfluous): No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue. For 250 (File Action OK): No fix needed — the file operation completed successfully.