XYGATE Access Control Reference Manual

XYGATE
®
Access Control Reference Manual
Appendix C: The ACACL File
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C57: NULLNULLSTOP
This keyword causes the XYGATEAC process to stop the OBJECT program when the
NonStop Kernel userid for the process goes to 0,0. This is used when a TACL is
executed by XAC in interactive mode. When the user logs off or is logged off by a
timeout (CMON or otherwise), the XYGATEAC process will stop the TACL and all the
processes started by that TACL (except those exempted by the DONOTSTOP
keyword list) and return control to the invoking program.
Example:
COMMAND TACL-255
DESCRIPTION "SUPER.SUPER TACL"
USER SUPER.SUPER
OBJECT $SYSTEM.SYSNN.TACL
ACL $SYSMGR
VERIFYUSER $EVERYONE
TIMEOUT 300
OPENSBYOBJECTS \*.$*.*.*
START_LOGGED_ON TRACKUSERID
NULLNULLSTOP
In this example, when the user has finished using the TACL-255 and the user logs off,
the TACL will be stopped.
This keyword would never be used on a TACL that is required to be always present,
such as one on a dial access port.
Note: Do not use the NULLNULLSTOP keyword and the RESTART keyword on the
same ACACL Command Entry as they are in direct conflict. NULLNULLSTOP
says to stop the process whenever the process goes to a userid of 0,0, which is
what a TACL does when logged off or stopped. RESTART will then restart the
process with unpredictable results.