Cisco IOS XR Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
<VulnDiscussion>Accepting route advertisements for Bogon prefixes can result in the local autonomous system (AS) becoming a transit for malic...Rule Medium Severity -
SRG-NET-000018-RTR-000003
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
<VulnDiscussion>Accepting route advertisements belonging to the local AS can result in traffic looping or being black holed, or at a minimum ...Rule Medium Severity -
SRG-NET-000018-RTR-000004
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to reject inbound route advertisements from a customer edge (CE) router for prefixes that are not allocated to that customer.
<VulnDiscussion>As a best practice, a service provider should only accept customer prefixes that have been assigned to that customer and any ...Rule Medium Severity
Node 2
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