NIST 800-53_SC-20

NIST 800-53

System and Communications Protection

SC-20

Secure Name/address Resolution Service (authoritative Source)

a. 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; andb. 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.

 

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