FTP

FTP 200 Command OK vs 504 Parameter Not Implemented

FTP 200 (Command OK) is a 2xx Positive Completion response, while 504 (Parameter Not Implemented) is a 5xx Permanent Negative response. 200 indicates that the command has been successfully executed. This is a general acknowledgment that the command was understood and carried out. In contrast, 504 means that command not implemented for that parameter. The command is supported but not with the specific parameter value provided.

Açıklama

The command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.

Gördüğünüzde

After issuing any command that completes successfully, such as TYPE, MODE, or NOOP.

Nasıl Düzeltilir

No fix needed — the command succeeded. This is the standard positive response for commands that don't return data.

Açıklama

Command not implemented for that parameter. The command is supported but not with the specific parameter value provided.

Gördüğünüzde

When you use an unsupported transfer type or mode, such as TYPE E (EBCDIC) on a server that only supports ASCII and binary.

Nasıl Düzeltilir

Use a supported parameter value. Check the server documentation or use FEAT to see which parameter options are available.

Temel Farklar

1.

200 is a 2xx Positive Completion response, while 504 is a 5xx Permanent Negative response.

2.

FTP 200: The command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.

3.

FTP 504: Command not implemented for that parameter. The command is supported but not with the specific parameter value provided.

4.

You encounter 200 when after issuing any command that completes successfully, such as TYPE, MODE, or NOOP.

5.

You encounter 504 when when you use an unsupported transfer type or mode, such as TYPE E (EBCDIC) on a server that only supports ASCII and binary.

Hangisini Ne Zaman Kullanmalı

For 200 (Command OK): No fix needed — the command succeeded. This is the standard positive response for commands that don't return data. For 504 (Parameter Not Implemented): Use a supported parameter value. Check the server documentation or use FEAT to see which parameter options are available.

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