FTP 125 Data Connection Open vs 212 Directory Status
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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.
Description
The data connection is already open and the transfer is beginning. No need to open a new data connection.
When You See It
When the server reuses an existing data connection for a file transfer instead of opening a new one.
How to Fix
No fix needed — the transfer is starting immediately. Your client should begin reading or writing data on the existing connection.
Description
Directory status reply. The server provides information about the current directory or a specified directory.
When You See It
After issuing the STAT command on a directory, the server returns the directory listing or status information.
How to Fix
No fix needed — this is an informational response showing directory contents or status.
Key Differences
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.
When to Use Which
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.