If the Include response code in text of message file option is selected, the 220 response code begins each line of the specified welcome message. The server welcome message is sent in addition to the standard "220 Welcome Message" that identifies the server to clients when they first connect. For more information, see System variables. FTP command responses can contain special macros that allow real-time data to be inserted in to the response. Customizing a global FTP response ensures that the response is used by all other FTP commands rather than having to customize it for each individual FTP command. Global FTP responses are responses shared amongst most FTP commands, such as the error message sent when a file is not found. The following FTP commands contain advanced configuration options: Where available, the configuration option is described in detail. Some FTP commands contain advanced configuration options that offer additional ways to configure the behavior of the command. If performance in Serv-U is impacted by users requesting excessively large listings, recursive listings can be disabled by using the Allow client to specify recursive directory listings with -R parameter option. In some cases, clients may request excessively large directory listings using the -R parameter to the LIST and NLST commands. Serv-U supports recursive listings by default, allowing FTP clients to obtain large directory listings with a single command. By specifying an absolute file path in the secondary location, you can ensure that each user receives a message file. If the first message file is not found, Serv-U attempts to use the Secondary Message File instead. This allows for message files to be specified using a path relative to the home directory of the user for the Message File. In addition, a secondary message file path is available as a default option. The contents of a message file are sent along with the standard FTP response. For more information, see System variables.Ĭertain FTP commands allow a message file to be associated with them. Disabled commands are treated as unrecognized commands when received from a client.Īll possible FTP responses to the command as issued by the server are displayed on this tab, and can be modified by clicking Edit for each response. The command can also be disabled by selecting the Disable command option here. On the Information page, basic information about the command is shown along with a link to more information on the Serv-U website. Other tabs are displayed depending on the command type. Only the Information and FTP Responses tabs are displayed for all commands. To edit FTP Commands, select the command to change, and click Edit. At any time, you can click Use Default Settings to revert back to the default settings of the server.Ĭustomizing the FTP behavior in this way is not recommended except for those very familiar with the FTP protocol and its standard and extended command set. To customize the FTP behavior for a specific domain, select the appropriate domain, open the FTP Settings page for the domain, and then click Use Custom Settings. If configured at the domain level, these settings only apply to this domain. You can customize the FTP commands that Serv-U accepts, and also customize the responses of Serv-U to the FTP commands it receives.
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