FTP 202 Command Superfluous vs 211 System Status
Both FTP 202 (Command Superfluous) and 211 (System Status) 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, 211 means that system status or system help reply. The server provides information about its current status or available features.
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
System status or system help reply. The server provides information about its current status or available features.
Khi bạn thấy mã này
After issuing the STAT command without arguments, the server returns its system status and supported features.
Cách khắc phục
No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.
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 211: System status or system help reply. The server provides information about its current status or available features.
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 211 when after issuing the STAT command without arguments, the server returns its system status and supported features.
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 211 (System Status): No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.