FTP 215 System Type vs 553 File Name Not Allowed
FTP 215 (System Type) is a 2xx Positive Completion response, while 553 (File Name Not Allowed) 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, 553 means that requested action not taken. File name not allowed. The file or directory name violates the server's naming rules or filesystem restrictions.
Description
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.
Quand vous le voyez
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
Comment résoudre
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
Description
Requested action not taken. File name not allowed. The file or directory name violates the server's naming rules or filesystem restrictions.
Quand vous le voyez
When you try to create or rename a file with characters the server's filesystem does not allow, such as special characters or reserved names.
Comment résoudre
Rename the file to use only allowed characters. Avoid special characters like ?, *, |, <, >, and leading/trailing spaces or dots.
Différences clés
215 is a 2xx Positive Completion response, while 553 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 553: Requested action not taken. File name not allowed. The file or directory name violates the server's naming rules or filesystem restrictions.
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 553 when when you try to create or rename a file with characters the server's filesystem does not allow, such as special characters or reserved names.
Quand utiliser lequel
For 215 (System Type): No fix needed — use this information to adjust path separators and line endings for the server's OS type. For 553 (File Name Not Allowed): Rename the file to use only allowed characters. Avoid special characters like ?, *, |, <, >, and leading/trailing spaces or dots.