All Releasable Local Area Network (REL LAN) environments must be documented in the System Security Authorization Agreement (SSAA).

From Network Infrastructure Policy Security Technical Implementation Guide

Part of REL LAN environments are not documented in SSAA

Associated with: CCI-000366

SV-12654r2_rule All Releasable Local Area Network (REL LAN) environments must be documented in the System Security Authorization Agreement (SSAA).

Vulnerability discussion

The ISSM will ensure Releasable Local Area Network (REL LAN) environments are documented in the SSAA.

Check content

Interview the ISSM and review the SSAA. GRE tunnels found on a premise or edge SIPRNet router that have an endpoint within the REL IP address space must be documented in the SSAA. If the REL LAN has not been documented in the SSAA, this is a finding.

Fix text

The ISSM will document GRE tunnels defined on a premise or edge SIPRNet router that have an endpoint within the REL IP address space.

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