On this page💼 SA-5 (2) SECURITY-RELEVANT EXTERNAL SYSTEM INTERFACES ID: /frameworks/nist-sp-800-53-r4/sa/05/02 Description​ [Withdrawn: Incorporated into SA-4 (2)]. Similar​ Internal ID: dec-c-f99c79f0 Sub Sections​ SectionSub SectionsInternal RulesPoliciesFlagsCompliance