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XCCDF
Cisco IOS Router RTR Security Technical Implementation Guide
SRG-NET-000205-RTR-000006
The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
An XCCDF Rule
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The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
Medium Severity
<VulnDiscussion>Outbound route advertisements belonging to the core can result in traffic either looping or being black holed, or at a minimum, using a non-optimized path.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>