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.
Описание
Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
Когда вы это видите
After issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.
Как исправить
No fix needed — this is an informational response. Use it to discover which commands the server supports.
Описание
Connection closed; transfer aborted. The data connection was closed unexpectedly during a file transfer.
Когда вы это видите
When a file transfer is interrupted due to a network timeout, client disconnect, or the data connection dropping mid-transfer.
Как исправить
Retry the transfer. If it keeps failing, check network stability, increase timeout values, and verify there are no firewalls killing idle connections.
Ключевые различия
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.
Когда что использовать
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.