FTP 202 Command Superfluous vs 215 System Type
Both FTP 202 (Command Superfluous) and 215 (System Type) 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, 215 means that the NAME system type, where NAME is an official system name from the list in the Assigned Numbers document. Reports the operating system of the server.
Descripción
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Cuándo lo verás
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Cómo solucionarlo
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
Descripción
The NAME system type, where NAME is an official system name from the list in the Assigned Numbers document. Reports the operating system of the server.
Cuándo lo verás
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
Cómo solucionarlo
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
Diferencias clave
FTP 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
FTP 215: The NAME system type, where NAME is an official system name from the list in the Assigned Numbers document. Reports the operating system of the server.
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 215 when after issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
Cuándo usar cada uno
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 215 (System Type): No fix needed — use this information to adjust path separators and line endings for the server's OS type.