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HP-UX 11i Version 3: February 2007

Technical documentation

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ftpshut — create shutdown message file to shut down the ftp servers at a given time


/usr/bin/ftpshut [-V] [ -l min ] [ -d min ] time [ warning-message ... ]


The ftpshut command provides an automated shutdown procedure that a superuser can use to notify ftp users when the ftp server is shutting down. This command will create a shutdown message file in the path specified by the 'shutdown' directive in the /etc/ftpd/ftpaccess file in the real, anonymous and virtual user accounts. For guest accounts the system administrator must copy the message file created in the real user account to the guest accounts manually. The server will check this file regularly to see if the server is going to be shut down.


This option causes the program to display copyright and version information, then terminate.

-l min

This option is used as deny_offset. New FTP access is disabled 'min' minutes before shutdown. The default value of 'min' is 10 minutes. This value can be reset by the user.

-d min

This option is used as disc_offset. All current FTP connections will be dropped 'min' minutes before shutdown. The default value of 'min' is 5 minutes. This value can be reset by the user.


time, is the time at which the ftp server will be shutdown. If time is set to the word `now' the shutdown will be immediate. time can also be set to a future time. Future time can be specified in one of the two formats: + number or HHMM. The first format brings the ftp servers down in number minutes. The second format brings the ftp servers down at the time of day indicated, using a 24-hour clock format.


The warning-message is the message the server will flash to its clients on shut down. The user can use a message of his choice or use the 'macros' or 'magic cookies' that are available. The server will replace the macro with the specified text string. The warning-message will be formatted to be 75 characters long, including the length of any expanded macros ("magic cookies"). The default warning message is "System shutdown at %s". The following magic cookies are available:


time system is going to shut down


time new connections will be denied


time current connections will be dropped


current working directory


the maintainer's email address as defined in ftpaccess


local host name


maximum allowed number of users in this class


current number of users in this class


remote host name


local time (form Thu Nov 15 17:12:42 1990)


username given at login time


You can kill the servers only between now and 23:59, if you use the absolute time for ftpshut.


ftpshut returns:

  • 0 successful

  • 1 failure

  • -1 the wrong parameter was passed to ftpshut.


ftpshut was developed by the Washington University, St. Louis, Missouri.



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