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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > 551 FTP response code

551 FTP response code

Updated May 3, 2017

Overview

This article provides information on 551 FTP response code.

Environment

All Serv-U versions

Detail

A 551 response code may be sent in response to any command requiring the server to store information locally. It is a permanent negative reply, which means the client is discouraged from sending the command again since the server will respond with the same response code. It is only applicable when the page file structure is being used (through a STRU P command).

Example response

551 Requested action aborted: page type unknown.

Possible commands

 

Last modified
20:44, 8 May 2017

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Classifications

Public