FTP 214 Help Message vs 451 Local Error
FTP 214 (Help Message) is a 2xx Positive Completion response, while 451 (Local Error) 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, 451 means that requested action aborted: local error in processing. The server encountered an unexpected error while trying to complete the command.
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
Requested action aborted: local error in processing. The server encountered an unexpected error while trying to complete the command.
Khi bạn thấy mã này
When the server has an internal issue like a disk I/O error, memory shortage, or filesystem problem during command processing.
Cách khắc phục
Retry the command. If the error persists, contact the server administrator to check disk health, available memory, and server logs.
Sự khác biệt chính
214 is a 2xx Positive Completion response, while 451 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 451: Requested action aborted: local error in processing. The server encountered an unexpected error while trying to complete the command.
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 451 when when the server has an internal issue like a disk I/O error, memory shortage, or filesystem problem during command processing.
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 451 (Local Error): Retry the command. If the error persists, contact the server administrator to check disk health, available memory, and server logs.