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


Overview

Finding ID Version Rule ID IA Controls Severity
V-251378 NET1815 SV-251378r806089_rule Medium
Description
The ISSM will ensure Releasable Local Area Network (REL LAN) environments are documented in the SSAA.
STIG Date
Network Infrastructure Policy Security Technical Implementation Guide 2021-11-22

Details

Check Text ( C-54813r806087_chk )
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 (F-54766r806088_fix)
The ISSM will document GRE tunnels defined on a premise or edge SIPRNet router that have an endpoint within the REL IP address space.