Network Infrastructure Policy Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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NET2001
<GroupDescription></GroupDescription>Group -
Multi-Protocol Labeled Switching (MPLS) labels must not be exchanged between the enclaves edge routers and any external neighbor routers.
<VulnDiscussion>MPLS label exchange via Label Distribution Protocol (LDP) or Resource Reservation Protocol (RSVP) with any external neighbor ...Rule Medium Severity -
NET2002
<GroupDescription></GroupDescription>Group -
Label Distribution Protocol (LDP) must be synchronized with the Interior Gateway Protocol (IGP) to minimize packet loss when an IGP adjacency is established prior to LDP peers completing label exchange.
<VulnDiscussion>Packet loss can occur when an IGP adjacency is established and the router begins forwarding packets using the new adjacency b...Rule Low Severity -
NET2004
<GroupDescription></GroupDescription>Group -
Rapid Spanning Tree Protocol (STP) must be implemented at the access and distribution layers where Virtual Local Area Networks (VLANs) span multiple switches.
<VulnDiscussion>Spanning Tree Protocol (STP) is implemented on bridges and switches to prevent Layer 2 loops when a broadcast domain spans mu...Rule Low Severity -
NET2005
<GroupDescription></GroupDescription>Group -
A Quality of Service (QoS) policy must be implemented to provide preferred treatment for Command and Control (C2) real-time services and control plane traffic.
<VulnDiscussion>Different applications have unique requirements and toleration levels for delay, jitter, packet loss, and availability. To ma...Rule Low Severity -
NET2006
<GroupDescription></GroupDescription>Group -
Protocol Independent Multicast (PIM) must be disabled on all router interfaces that are not required to support multicast routing.
<VulnDiscussion>PIM is a routing protocol that is used by the IP core for forwarding multicast traffic. PIM operates independent of any parti...Rule Medium Severity -
NET2007
<GroupDescription></GroupDescription>Group -
A Protocol Independent Multicast (PIM) neighbor filter must be implemented to restrict and control multicast traffic.
<VulnDiscussion>Protocol Independent Multicast (PIM) is a routing protocol that is used by the IP core for forwarding multicast traffic. PIM ...Rule Low Severity -
NET2008
<GroupDescription></GroupDescription>Group -
The multicast domain must block inbound and outbound administratively-scoped multicast traffic at the edge.
<VulnDiscussion>A multicast boundary must be established to ensure that administratively-scoped multicast traffic does not flow into or out o...Rule Low Severity -
NET2009
<GroupDescription></GroupDescription>Group -
The multicast domain must block inbound and outbound Auto-RP discovery and announcement messages at the edge.
<VulnDiscussion>With static RP, the RP address for any multicast group must be consistent across all routers in a multicast domain. A static ...Rule Low Severity -
NET2010
<GroupDescription></GroupDescription>Group -
Protocol Independent Multicast (PIM) register messages received from a downstream multicast Designated Routers (DR) must be filtered for any reserved or any other undesirable multicast groups.
<VulnDiscussion>Customer networks that do not maintain a multicast domain and only require the IP multicast service will be required to stand...Rule Low Severity -
NET2011
<GroupDescription></GroupDescription>Group -
Protocol Independent Multicast (PIM) join messages received from a downstream multicast Designated Routers (DR) must be filtered for any reserved or any other undesirable multicast groups.
<VulnDiscussion>Customer networks that do not maintain a multicast domain and only require the IP multicast service will be required to stand...Rule Low Severity
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