The IAO/NSO will ensure the AG network service provider IP addresses are not redistributed into or advertised to the NIPRNet or any router belonging to any other Autonomous System (AS) i.e. to another AG device in another AS.

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The IAO/NSO will ensure the AG network service provider IP addresses are not redistributed into or advertised to the NIPRNet or any router belonging to any other Autonomous System (AS) i.e. to another AG device in another AS.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-4624	NET0166	SV-4624r1_rule	ECSC-1	Low

Description
Unsolicited traffic that may inadvertently attempt to enter the NIPRNet by traversing the enclave's premise router can be avoided by not redistributing NIPRNet routes into the AG.

STIG	Date
Perimeter L3 Switch Security Technical Implementation Guide	2015-12-18

Details

Check Text ( C-3395r1_chk )
Review the configuration of the router connecting to the AG and verify that there are no routes being redistributed into the enclave from the AG.

Fix Text (F-4557r1_fix)
Use distribute lists prefix lists to insure AG routes are not redistributed into the NIPRNet BGP or sites IGP (OSPF, EIGRP, RIP, etc).