FTP 212 Directory Status vs 530 Not Logged In
FTP 212 (Directory Status) is a 2xx Positive Completion response, while 530 (Not Logged In) is a 5xx Permanent Negative response. 212 indicates that directory status reply. The server provides information about the current directory or a specified directory. In contrast, 530 means that not logged in. The user is not authenticated and must log in before the requested command can be executed.
描述
Directory status reply. The server provides information about the current directory or a specified directory.
何时出现
After issuing the STAT command on a directory, the server returns the directory listing or status information.
如何修复
No fix needed — this is an informational response showing directory contents or status.
描述
Not logged in. The user is not authenticated and must log in before the requested command can be executed.
何时出现
When you try to access files or run commands before authenticating, or after providing incorrect login credentials.
如何修复
Send USER and PASS commands with valid credentials. If login fails repeatedly, verify the username, password, and check if the account is locked.
主要区别
212 is a 2xx Positive Completion response, while 530 is a 5xx Permanent Negative response.
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 530: Not logged in. The user is not authenticated and must log in before the requested command can be executed.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 530 when when you try to access files or run commands before authenticating, or after providing incorrect login credentials.
何时使用哪个
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. 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.