NIST SP 800-53 Full Control List
https://www.stigviewer.com/controls/800-53
AC-4 INFORMATION FLOW ENFORCEMENT
https://www.stigviewer.com/controls/800-53/AC-4
SC-7 BOUNDARY PROTECTION
https://www.stigviewer.com/controls/800-53/SC-7
DEPARTMENT OF DEFENSE (DOD)
JOINT SPECIAL ACCESS PROGRAM (SAP) IMPLEMENTATION GUIDE (JSIG)
11 April 2016
dcsa.mil/portals/91/documents/ctp/nao/JSIG_2016April11_Final_(53Rev4).pdf