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AC-04(20) Approved Solutions

NIST SP 800-53 (controls) 5.2.0 against 5.2.0
All changes in this version
unchanged AC part of AC-4

Title

Approved Solutions

Control

Employ [Assignment: solutions in approved configurations] to control the flow of [Assignment: information] across security domains.

Discussion

Organizations define approved solutions and configurations in cross-domain policies and guidance in accordance with the types of information flows across classification boundaries. The National Security Agency (NSA) National Cross Domain Strategy and Management Office provides a listing of approved cross-domain solutions. Contact [[email protected]](mailto:[email protected]) for more information.

Parameters

ac-04.20_odp.01: solutions in approved configurations
ac-04.20_odp.02: information

Assessment objective

AC-04(20) [Assignment: solutions in approved configurations] are employed to control the flow of [Assignment: information] across security domains.

STIG rules that implement this control 0

No followed STIG rule cites a CCI indexed to this control (CCI list 2026-07-14).