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Router Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000512

    <GroupDescription></GroupDescription>
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  • The PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).

    &lt;VulnDiscussion&gt;The primary security model for an MPLS L3VPN as well as a VRF-lite infrastructure is traffic separation. Each interface can o...
    Rule High Severity
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  • SRG-NET-000512

    <GroupDescription></GroupDescription>
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  • The PE router must be configured to have each VRF with the appropriate Route Distinguisher (RD).

    &lt;VulnDiscussion&gt;An RD provides uniqueness to the customer address spaces within the MPLS L3VPN infrastructure. The concept of the VPN-IPv4 an...
    Rule Medium Severity
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  • SRG-NET-000512

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  • The router must be configured to implement message authentication for all control plane protocols.

    &lt;VulnDiscussion&gt;A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...
    Rule Medium Severity
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  • The PE router providing MPLS Virtual Private Wire Service (VPWS) must be configured to have the appropriate virtual circuit identification (VC ID) for each attachment circuit.

    &lt;VulnDiscussion&gt;VPWS is an L2VPN technology that provides a virtual circuit between two PE routers to forward Layer 2 frames between two cust...
    Rule High Severity
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  • SRG-NET-000512

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  • The PE router providing Virtual Private LAN Services (VPLS) must be configured to have all attachment circuits defined to the virtual forwarding instance (VFI) with the globally unique VPN ID assigned for each customer VLAN.

    &lt;VulnDiscussion&gt;VPLS defines an architecture that delivers Ethernet multipoint services over an MPLS network. Customer Layer 2 frames are for...
    Rule High Severity
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  • SRG-NET-000512

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  • The PE router must be configured to enforce the split-horizon rule for all pseudowires within a Virtual Private LAN Services (VPLS) bridge domain.

    &lt;VulnDiscussion&gt;A virtual forwarding instance (VFI) must be created on each participating PE router for each customer VLAN using VPLS for car...
    Rule Low Severity
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  • SRG-NET-000512

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  • The Multicast Source Discovery Protocol (MSDP) router must be configured to use its loopback address as the source address when originating MSDP traffic.

    &lt;VulnDiscussion&gt;Using a loopback address as the source address offers a multitude of uses for security, access, management, and scalability o...
    Rule Low Severity
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  • SRG-NET-000512

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  • SRG-NET-000230

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  • The router must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.

    &lt;VulnDiscussion&gt;Configuring the network device to implement organization-wide security implementation guides and security checklists ensures ...
    Rule Medium Severity
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  • SRG-NET-000131

    <GroupDescription></GroupDescription>
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  • The router must not be configured to have any feature enabled that calls home to the vendor.

    &lt;VulnDiscussion&gt;Call home services will routinely send data such as configuration and diagnostic information to the vendor for routine or eme...
    Rule Medium Severity
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  • SRG-NET-000205

    <GroupDescription></GroupDescription>
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  • The perimeter router must be configured to restrict it from accepting outbound IP packets that contain an illegitimate address in the source address field via egress filter or by enabling Unicast Reverse Path Forwarding (uRPF).

    &lt;VulnDiscussion&gt;A compromised host in an enclave can be used by a malicious platform to launch cyber attacks on third parties. This is a comm...
    Rule High Severity
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