FTP 212 Directory Status vs 228 Entering Long Passive Mode
Both FTP 212 (Directory Status) and 228 (Entering Long Passive Mode) 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, 228 means that entering Long Passive Mode. An extended version of passive mode that supports longer addresses, including IPv6. Largely superseded by EPSV (229).
説明
Directory status reply. The server provides information about the current directory or a specified directory.
このコードが表示される場合
After issuing the STAT command on a directory, the server returns the directory listing or status information.
解決方法
No fix needed — this is an informational response showing directory contents or status.
説明
Entering Long Passive Mode. An extended version of passive mode that supports longer addresses, including IPv6. Largely superseded by EPSV (229).
このコードが表示される場合
After issuing the LPSV command on servers that support long addresses. Rarely seen in practice as EPSV is preferred.
解決方法
No fix needed, but consider using EPSV (Extended Passive Mode) instead, which is more widely supported and simpler to parse.
主な違い
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 228: Entering Long Passive Mode. An extended version of passive mode that supports longer addresses, including IPv6. Largely superseded by EPSV (229).
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 228 when after issuing the LPSV command on servers that support long addresses. Rarely seen in practice as EPSV is preferred.
どちらをいつ使うか
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 228 (Entering Long Passive Mode): No fix needed, but consider using EPSV (Extended Passive Mode) instead, which is more widely supported and simpler to parse.