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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • 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).

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;As a best practice, a service provider should only accept customer prefixes that have been assigned to that customer and any ...
    Rule Medium Severity
  • SRG-NET-000018-RTR-000005

    <GroupDescription></GroupDescription>
    Group
  • The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes that do not belong to any customers or the local autonomous system (AS).

    &lt;VulnDiscussion&gt;Advertisement of routes by an autonomous system for networks that do not belong to any of its customers pulls traffic away fr...
    Rule Medium Severity
  • SRG-NET-000205-RTR-000006

    <GroupDescription></GroupDescription>
    Group
  • The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.

    &lt;VulnDiscussion&gt;Outbound route advertisements belonging to the core can result in traffic either looping or being black holed, or at a minimu...
    Rule Medium Severity
  • SRG-NET-000018-RTR-000006

    <GroupDescription></GroupDescription>
    Group
  • The Cisco BGP router must be configured to reject route advertisements from BGP peers that do not list their autonomous system (AS) number as the first AS in the AS_PATH attribute.

    &lt;VulnDiscussion&gt;Verifying the path a route has traversed will ensure the IP core is not used as a transit network for unauthorized or possibl...
    Rule Low Severity

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