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The EXITS GSO record value must specify the module names of site written ACF2 exit routines.


Overview

Finding ID Version Rule ID IA Controls Severity
V-223467 ACF2-ES-000490 SV-223467r533198_rule Medium
Description
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.
STIG Date
IBM z/OS ACF2 Security Technical Implementation Guide 2022-06-22

Details

Check Text ( C-25140r504519_chk )
From the ACF Command enter:
SET CONTROL(GSO)
LIST LIKE(EXIT-)

If the GSO EXITS record values conform to the following requirements, this is not a finding.

Specifies the module names of site written ACF2 exit routines.

NOTE: The DSNPOST exit is optional and is not required to be specified in the GSO EXITS record. DSNPOST(module) SEVPRE(SEVPRE01) SEVPOST(SEVPST01)
NOTE: No other exits are authorized at this time.
NOTE: Local changes will be documented in writing with supporting documentation.

If there is any deviation from the above requirements in the GSO EXITS record values, this is a finding.
Fix Text (F-25128r504520_fix)
Configure the EXITS GSO value to specify the module names of site written ACF2 exit routines.

Specifies the module names of site written ACF2 exit routines.

NOTE: The DSNPOST exit is optional and is not required to be specified in the GSO EXITS record.

DSNPOST(module) SEVPRE(SEVPRE01) SEVPOST(SEVPST01)

Example:
SET C(GSO)
INSERT EXITS DSNPOST(module) SEVPRE(SEVPRE01) SEVPOST(SEVPST01)

F ACF2,REFRESH(EXITS)

NOTE: No other exits are authorized at this time.

NOTE: Local changes will be justified in writing with supporting documentation.