FTP 215 System Type vs 550 File Unavailable
FTP 215 (System Type) is a 2xx Positive Completion response, while 550 (File Unavailable) is a 5xx Permanent Negative response. 215 indicates 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. In contrast, 550 means that requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.
Descrição
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.
Quando você o vê
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
Como corrigir
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
Descrição
Requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.
Quando você o vê
When you try to download, delete, or navigate to a file or directory that does not exist or is restricted by server permissions.
Como corrigir
Verify the file path and name are correct (FTP paths are case-sensitive on most servers). Check your user permissions with the server administrator.
Diferenças principais
215 is a 2xx Positive Completion response, while 550 is a 5xx Permanent Negative response.
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.
FTP 550: Requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.
You encounter 215 when after issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
You encounter 550 when when you try to download, delete, or navigate to a file or directory that does not exist or is restricted by server permissions.
Quando usar qual
For 215 (System Type): No fix needed — use this information to adjust path separators and line endings for the server's OS type. For 550 (File Unavailable): Verify the file path and name are correct (FTP paths are case-sensitive on most servers). Check your user permissions with the server administrator.