FTP 212 Directory Status vs 504 Parameter Not Implemented
FTP 212 (Directory Status) is a 2xx Positive Completion response, while 504 (Parameter Not Implemented) 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, 504 means that command not implemented for that parameter. The command is supported but not with the specific parameter value provided.
Mô tả
Directory status reply. The server provides information about the current directory or a specified directory.
Khi bạn thấy mã này
After issuing the STAT command on a directory, the server returns the directory listing or status information.
Cách khắc phục
No fix needed — this is an informational response showing directory contents or status.
Mô tả
Command not implemented for that parameter. The command is supported but not with the specific parameter value provided.
Khi bạn thấy mã này
When you use an unsupported transfer type or mode, such as TYPE E (EBCDIC) on a server that only supports ASCII and binary.
Cách khắc phục
Use a supported parameter value. Check the server documentation or use FEAT to see which parameter options are available.
Sự khác biệt chính
212 is a 2xx Positive Completion response, while 504 is a 5xx Permanent Negative response.
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 504: Command not implemented for that parameter. The command is supported but not with the specific parameter value provided.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 504 when when you use an unsupported transfer type or mode, such as TYPE E (EBCDIC) on a server that only supports ASCII and binary.
Khi nào dùng cái nào
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 504 (Parameter Not Implemented): Use a supported parameter value. Check the server documentation or use FEAT to see which parameter options are available.