FTP 212 Directory Status vs 502 Command Not Implemented
FTP 212 (Directory Status) is a 2xx Positive Completion response, while 502 (Command 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, 502 means that command not implemented. The server recognizes the command but does not support it in its current configuration.
Descrição
Directory status reply. The server provides information about the current directory or a specified directory.
Quando você o vê
After issuing the STAT command on a directory, the server returns the directory listing or status information.
Como corrigir
No fix needed — this is an informational response showing directory contents or status.
Descrição
Command not implemented. The server recognizes the command but does not support it in its current configuration.
Quando você o vê
When you use a valid FTP command that this particular server has not implemented, such as SITE or SMNT.
Como corrigir
Use an alternative command or approach. Check the server's FEAT response or HELP output to see which commands are actually supported.
Diferenças principais
212 is a 2xx Positive Completion response, while 502 is a 5xx Permanent Negative response.
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 502: Command not implemented. The server recognizes the command but does not support it in its current configuration.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 502 when when you use a valid FTP command that this particular server has not implemented, such as SITE or SMNT.
Quando usar qual
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 502 (Command Not Implemented): Use an alternative command or approach. Check the server's FEAT response or HELP output to see which commands are actually supported.