FTP 214 Help Message vs 426 Connection Closed
FTP 214 (Help Message) is a 2xx Positive Completion response, while 426 (Connection Closed) is a 4xx Transient Negative response. 214 indicates that help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command. In contrast, 426 means that connection closed; transfer aborted. The data connection was closed unexpectedly during a file transfer.
Mô tả
Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
Khi bạn thấy mã này
After issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.
Cách khắc phục
No fix needed — this is an informational response. Use it to discover which commands the server supports.
Mô tả
Connection closed; transfer aborted. The data connection was closed unexpectedly during a file transfer.
Khi bạn thấy mã này
When a file transfer is interrupted due to a network timeout, client disconnect, or the data connection dropping mid-transfer.
Cách khắc phục
Retry the transfer. If it keeps failing, check network stability, increase timeout values, and verify there are no firewalls killing idle connections.
Sự khác biệt chính
214 is a 2xx Positive Completion response, while 426 is a 4xx Transient Negative response.
FTP 214: Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
FTP 426: Connection closed; transfer aborted. The data connection was closed unexpectedly during a file transfer.
You encounter 214 when after issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.
You encounter 426 when when a file transfer is interrupted due to a network timeout, client disconnect, or the data connection dropping mid-transfer.
Khi nào dùng cái nào
For 214 (Help Message): No fix needed — this is an informational response. Use it to discover which commands the server supports. For 426 (Connection Closed): Retry the transfer. If it keeps failing, check network stability, increase timeout values, and verify there are no firewalls killing idle connections.