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.
Mô tả
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Khi bạn thấy mã này
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Cách khắc phục
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
Mô tả
Requested file action okay, completed. The operation on the file or directory was successful.
Khi bạn thấy mã này
After successfully changing directories (CWD), deleting a file (DELE), or renaming a file (RNTO).
Cách khắc phục
No fix needed — the file operation completed successfully.
Sự khác biệt chính
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).
Khi nào dùng cái nào
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.