FTP 125 Data Connection Open vs 214 Help Message
FTP 125 (Data Connection Open) is a 1xx Positive Preliminary response, while 214 (Help Message) 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, 214 means that help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
Description
The data connection is already open and the transfer is beginning. No need to open a new data connection.
Quand vous le voyez
When the server reuses an existing data connection for a file transfer instead of opening a new one.
Comment résoudre
No fix needed — the transfer is starting immediately. Your client should begin reading or writing data on the existing connection.
Description
Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
Quand vous le voyez
After issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.
Comment résoudre
No fix needed — this is an informational response. Use it to discover which commands the server supports.
Différences clés
125 is a 1xx Positive Preliminary response, while 214 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 214: Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
You encounter 125 when when the server reuses an existing data connection for a file transfer instead of opening a new one.
You encounter 214 when after issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.
Quand utiliser lequel
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 214 (Help Message): No fix needed — this is an informational response. Use it to discover which commands the server supports.