Link security

The target CICS® server region performs link security checking against requests from the client program. These security checks cover transaction attach security (when attaching the mirror transaction), and resource and command security checking within the server application program. The link user ID that CICS uses for these security checks is the batch region's user ID.

To ensure these link security checks do not cause security failures, you must ensure that the link user ID is authorized to the following resource profiles, as appropriate:

See the CICS RACF® Security Guide for information about MRO link security checking.

Related concepts
Introduction to the external CICS interface
Related tasks
The EXCI CALL interface
The EXCI EXEC CICS interface
Using MRO logon and bind-time security
User security
Surrogate user checking
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