FTP

FTP 214 Help Message vs 550 File Unavailable

FTP 214 (Help Message) is a 2xx Positive Completion response, while 550 (File Unavailable) is a 5xx Permanent 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, 550 means that requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.

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

Requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.

Когда вы это видите

When you try to download, delete, or navigate to a file or directory that does not exist or is restricted by server permissions.

Как исправить

Verify the file path and name are correct (FTP paths are case-sensitive on most servers). Check your user permissions with the server administrator.

Ключевые различия

1.

214 is a 2xx Positive Completion response, while 550 is a 5xx Permanent Negative response.

2.

FTP 214: Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.

3.

FTP 550: Requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.

4.

You encounter 214 when after issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.

5.

You encounter 550 when when you try to download, delete, or navigate to a file or directory that does not exist or is restricted by server permissions.

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 550 (File Unavailable): Verify the file path and name are correct (FTP paths are case-sensitive on most servers). Check your user permissions with the server administrator.

Узнать больше