FTP 215 System Type vs 530 Not Logged In
FTP 215 (System Type) is a 2xx Positive Completion response, while 530 (Not Logged In) 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, 530 means that not logged in. The user is not authenticated and must log in before the requested command can be executed.
説明
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.
このコードが表示される場合
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
解決方法
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
説明
Not logged in. The user is not authenticated and must log in before the requested command can be executed.
このコードが表示される場合
When you try to access files or run commands before authenticating, or after providing incorrect login credentials.
解決方法
Send USER and PASS commands with valid credentials. If login fails repeatedly, verify the username, password, and check if the account is locked.
主な違い
215 is a 2xx Positive Completion response, while 530 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 530: Not logged in. The user is not authenticated and must log in before the requested command can be executed.
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 530 when when you try to access files or run commands before authenticating, or after providing incorrect login credentials.
どちらをいつ使うか
For 215 (System Type): No fix needed — use this information to adjust path separators and line endings for the server's OS type. For 530 (Not Logged In): Send USER and PASS commands with valid credentials. If login fails repeatedly, verify the username, password, and check if the account is locked.