FTP 212 Directory Status vs 500 Syntax Error
FTP 212 (Directory Status) is a 2xx Positive Completion response, while 500 (Syntax Error) 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, 500 means that syntax error, command unrecognized. The server could not parse the command. This may also be sent when the command line is too long.
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
Syntax error, command unrecognized. The server could not parse the command. This may also be sent when the command line is too long.
何时出现
When you send a malformed or misspelled command, or a command the server does not recognize at all.
如何修复
Check the command spelling and syntax. Use HELP to see the list of supported commands on this server.
主要区别
212 is a 2xx Positive Completion response, while 500 is a 5xx Permanent Negative response.
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 500: Syntax error, command unrecognized. The server could not parse the command. This may also be sent when the command line is too long.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 500 when when you send a malformed or misspelled command, or a command the server does not recognize at all.
何时使用哪个
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 500 (Syntax Error): Check the command spelling and syntax. Use HELP to see the list of supported commands on this server.