MA-4(4) Authentication and Separation of Maintenance Sessions

Control enhancement of MA-4 Nonlocal Maintenance

Control

Protect nonlocal maintenance sessions by:

(a)

Employing [Assignment: authenticators that are replay resistant] ; and

(b)

Separating the maintenance sessions from other network sessions with the system by either:

(1)

Physically separated communications paths; or

(2)

Logically separated communications paths.

Discussion

Communications paths can be logically separated using encryption.

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Control catalog and framework text on this page is reproduced from official NIST publications — a public-domain work of the U.S. Government (17 U.S.C. §105). Maverc commentary, groupings, and readiness guidance are our own and are not part of any NIST publication.