FTP 212 Directory Status vs 503 Bad Sequence
FTP 212 (Directory Status) is a 2xx Positive Completion response, while 503 (Bad Sequence) 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, 503 means that bad sequence of commands. The command is valid but was sent in the wrong order relative to other commands.
설명
Directory status reply. The server provides information about the current directory or a specified directory.
이 코드를 보게 되는 경우
After issuing the STAT command on a directory, the server returns the directory listing or status information.
해결 방법
No fix needed — this is an informational response showing directory contents or status.
설명
Bad sequence of commands. The command is valid but was sent in the wrong order relative to other commands.
이 코드를 보게 되는 경우
When you skip a required step, like sending PASS before USER, or RNTO without first sending RNFR.
해결 방법
Follow the correct command sequence. Common sequences: USER then PASS for login, RNFR then RNTO for rename, PASV then RETR for transfer.
주요 차이점
212 is a 2xx Positive Completion response, while 503 is a 5xx Permanent Negative response.
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 503: Bad sequence of commands. The command is valid but was sent in the wrong order relative to other commands.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 503 when when you skip a required step, like sending PASS before USER, or RNTO without first sending RNFR.
언제 어떤 것을 사용할지
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 503 (Bad Sequence): Follow the correct command sequence. Common sequences: USER then PASS for login, RNFR then RNTO for rename, PASV then RETR for transfer.