z/OS Security Server RACF Security Administrator's Guide
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Special access rule for SPECIAL users

z/OS Security Server RACF Security Administrator's Guide
SA23-2289-00

If SETROPTS MLACTIVE(FAILURES) and SETROPTS MLS(FAILURES) are active, a SPECIAL user logged on with the security label SYSHIGH is allowed to access resources as if SETROPTS MLS(WARNING) and MLACTIVE(WARNING) were both in effect. In this case, RACF® issues warning messages instead of failing the requests. If SETROPTS MLACTIVE(FAILURES) and SETROPTS MLS(FAILURES) have been turned on without sufficient preparation, such as without assigning security labels to resources, this special access rule enables the security administrator to access resources on the system.

Restriction: To prevent inadvertent declassifications or writedowns, read-only access to resources is allowed with a warning message, while write accesses fail. For more information about authorizing users with the writedown privilege, see Controlling the write-down privilege.

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