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controlSC-20

Secure Name/Address Resolution Service (Authoritative Source) (SC-20)

Provide additional data origin authentication and integrity verification artifacts along with the authoritative name resolution data the system returns in response to external name/address resolution queries; and Provide the means to indicate the security status of child zones and (if the child supports secure resolution services) to enable verification of a chain of trust among parent and child domains, when operating as part of a distributed, hierarchical namespace.

Security Baselines

LOWMODERATEHIGH
communicationsencryptionboundary-protectionnetwork

Why These Connect

Baselined In3

This control is included in the linked security baseline (LOW, MODERATE, or HIGH).

Supports9

These related controls work together — a change to one may affect the others.

Enhances2

These enhancements add specific capabilities or refinements to the base control.

Control Enhancements(2)