FTP 212 Directory Status vs 220 Service Ready
Both FTP 212 (Directory Status) and 220 (Service Ready) belong to the 2xx Positive Completion category. 212 indicates that directory status reply. The server provides information about the current directory or a specified directory. Meanwhile, 220 means that service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
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
Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
이 코드를 보게 되는 경우
Immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
해결 방법
No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.
주요 차이점
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 220: Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 220 when immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
언제 어떤 것을 사용할지
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 220 (Service Ready): No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.