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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Serv-U - Knowledgebase Articles > 500 FTP response code

500 FTP response code

Updated May 3, 2017

Overview

This article provides information on 500 FTP response code.

Environment

All Serv-U versions

Detail

A 500 response code may be sent in response to any command that the server is unable to recognize. It is a permanent negative response, which means the client is discouraged from sending the command again since the server will respond with the same reply code. It usually means that the client has sent a command to the server that the server does not recognize. This may be due to an error in the spelling or formatting of the command itself or that the command is newer than the FTP implementation in place on the server or is a proprietary command of another server implementation.

Example response

500 Syntax error, command unrecognized.

Possible commands

A 500 reply code may be sent in response to any FTP command.

 

 

 

 

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