FTP 125 Data Connection Open vs 212 Directory Status
FTP 125 (Data Connection Open) is a 1xx Positive Preliminary response, while 212 (Directory Status) is a 2xx Positive Completion response. 125 indicates that the data connection is already open and the transfer is beginning. No need to open a new data connection. In contrast, 212 means that directory status reply. The server provides information about the current directory or a specified directory.
Mô tả
The data connection is already open and the transfer is beginning. No need to open a new data connection.
Khi bạn thấy mã này
When the server reuses an existing data connection for a file transfer instead of opening a new one.
Cách khắc phục
No fix needed — the transfer is starting immediately. Your client should begin reading or writing data on the existing connection.
Mô tả
Directory status reply. The server provides information about the current directory or a specified directory.
Khi bạn thấy mã này
After issuing the STAT command on a directory, the server returns the directory listing or status information.
Cách khắc phục
No fix needed — this is an informational response showing directory contents or status.
Sự khác biệt chính
125 is a 1xx Positive Preliminary response, while 212 is a 2xx Positive Completion response.
FTP 125: The data connection is already open and the transfer is beginning. No need to open a new data connection.
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
You encounter 125 when when the server reuses an existing data connection for a file transfer instead of opening a new one.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
Khi nào dùng cái nào
For 125 (Data Connection Open): No fix needed — the transfer is starting immediately. Your client should begin reading or writing data on the existing connection. For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status.