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NAME
     dtspcd - CDE Subprocess Control Service

SYNOPSIS
     dtspcd    [ -debug ] [ -log ] [ -auth_dir directory ]      [
     -timeout num_minutes ] [ -mount_point mount_point ]

DESCRIPTION
     The daemon for the CDE Subprocess Control service, dtspcd,
     is not intended to be started directly by the user, rather
     it should be started automatically by the inetd daemon (see
     inetd(1M)) in response to a CDE client requesting a process
     to be started on the daemon's host.

OPTIONS
        -auth_dir  directory
                       The default authentication directory is
                       the user's $HOME directory.  This option
                       allows the system administrator to use a
                       different directory.  Note that directory
                       must be exported to hosts wishing to use
                       the dtspc service.
                       directory - the name of the directory to
                       use for authentication.


        -timeout  minutes
                       By default, the dtspcd process will ter-
                       minate if it does not have any activity
                       (process start or process stop) for 10
                       minutes and dtspcd has no child processes
                       running.  To change the timeout, set
                       minutes to the desired number of minutes.
                       To force the daemon to not use a timer,
                       set minutes to -1.
                       minutes - the number of minutes for the
                       timer.

        -mount_point  mount_point
                       The file system's mount point is named
                       mount_point.  For example, mount_point
                       could be "/net" or "/nfs".  The daemon
                       sets the environment variable DTMOUNTPOINT
                       to the value of mount_point.  This value
                       of DTMOUNTPOINT will override all other
                       definitions of DTMOUNTPOINT.

        -log           This option turns on logging of status
                       information to the file
                       /var/dt/tmp/DTSPCD.log.  The information
                       logged includes the name of the client
                       host, the client's username, error
                       messages and the name of the file used for
                       authentication.  The default is to not do
                       any logging.

        -debug         This option turns on logging of dtspc pro-
                       tocol to the file /var/dt/tmp/DTSPCD.log.
                       The protocol information logged includes
                       the name of the protocol and number of
                       bytes in the request.  The default is to
                       not log the protocol.

AUTHENTICATION
     When a CDE client attempts to connect to a dtspcd daemon,
     the client sends the daemon its username.  The daemon uses
     the username to determine the user's home directory on the
     daemon's host.  The home directory is used during authenti-
     cation and it must be readable by the daemon and writable by
     the client.  Therefore, the user's home directory on the
     daemon's host must be mounted to the client host.  If the
     user's home directory is not readable and the -auth_dir com-
     mand line option is not used, the directory /var/dt/tmp will
     be used.

     To use a directory other than the user's home directory for
     authentication, use the -auth_dir command line option.

CONFIGURATION
     The dtspcd daemon is an Internet service that must be
     registered in the file /etc/services as follows:

          dtspc      6112/tcp

     and in the file /etc/inetd.conf as follows:

          dtspc  stream  tcp  nowait  root  /usr/dt/bin/dtspcd/usr/dt/bin/dtspcd

ENVIRONMENT VARIABLE MANAGEMENT
     The CDE Subprocess Control service allows the user and sys-
     tem administrator to create files of environment variable
     definitions to be placed in the processes environment before
     a remote process is started.  See dtspcdenv(4M) for more
     information.

OPERATING SYSTEM DEPENDENCIES
     On HP-UX, the file /usr/adm/inetd.sec may be used to control
     access to the dtspcd daemon.  See inetd.sec(4) for more
     information.

FILES
        /usr/dt/bin/dtspcd
                       The CDE Subprocess Control daemon

        /etc/services  The Internet service name data base

        /etc/inted.conf
                       The inetd configuration file

        /etc/dt/config/dtspcdenv
                       System-wide, locally defined environment
                       variable definitions used when a process
                       is executed

        /usr/dt/config/dtspcdenv
                       System-wide, installed environment vari-
                       able definitions used when a process is
                       executed

        $HOME/.dt/dtspcdenv
                       User-specific environment variable defini-
                       tions used when a process is executed

        /var/dt/tmp/DTSPCD.log
                       The dtspcd log file

DIAGNOSTICS
     Use the command line options -log and -debug (described
     above) to get diagnostic information.

SEE ALSO
     inetd(1M), services(4), inetd.conf(4), dtspcdenv(4M).

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