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.
Описание
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.
Когда вы это видите
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
Как исправить
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
Описание
Requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.
Когда вы это видите
When you try to download, delete, or navigate to a file or directory that does not exist or is restricted by server permissions.
Как исправить
Verify the file path and name are correct (FTP paths are case-sensitive on most servers). Check your user permissions with the server administrator.
Ключевые различия
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.
Когда что использовать
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.