NIST SP 800-171A - Assessing Security Requirements for Controlled Unclassified Information (CUI)
171A 03.13 System and Communications Protection

NIST SP 800-171A - Assessing Security Requirements for Controlled Unclassified Information (CUI) 171A-03.13.06: Network Communications - Deny by Default - Allow by Exception

Determines whether network traffic is denied by default and permitted only by exception, at both entry and exit.

Other controls in 171A 03.13 System and Communications Protection

Query this from an agent

The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.