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The CA-TSS Automatic Data Set Protection (ADSP) Control Option must be set to NO.


Finding ID Version Rule ID IA Controls Severity
V-223940 TSS0-ES-000670 SV-223940r856093_rule Medium
Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security baseline across DoD that reflects the most restrictive security posture consistent with operational requirements. Configuration settings are the set of parameters that can be changed in hardware, software, or firmware components of the system that affect the security posture and/or functionality of the system. Security-related parameters are those parameters impacting the security state of the system, including the parameters required to satisfy other security control requirements. Security-related parameters include, for example: registry settings; account, file, directory permission settings; and settings for functions, ports, protocols, services, and remote connections.
IBM z/OS TSS Security Technical Implementation Guide 2022-09-19


Check Text ( C-25613r516219_chk )
From the ISPF Command Shell enter:

If the ADSP Control Option value is not set to "ADSP(NO)", this is a finding.
Fix Text (F-25601r516220_fix)
Configure the ADSP control option is set to (NO) indicating that the RACF bit in the DSCB will not be set. Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option setting to ADSP(NO) and proceed with the change.