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Preventing changes to security labels (MLSTABLE option) z/OS Security Server RACF Security Administrator's Guide SA23-2289-00 |
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If you have the SPECIAL attribute, and if the SECLABEL class is
active, you can prevent users from changing the classification of
data while the data is in use. Specifically, you can do all of the
following:
To do this, enter:
Restriction: This
option cannot be activated when the SECLABEL class is inactive.To cancel this option, specify NOMLSTABLE on the SETROPTS command. Note: If you must change security labels while the system is in multilevel
stable state, you can issue SETROPTS MLQUIET before making the changes.
See Quiescing RACF activity (MLQUIET option).
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