STIGQter STIGQter: STIG Summary: Cisco IOS XR Router RTR Security Technical Implementation Guide

Version: 1

Release: 2 Benchmark Date: 24 Jan 2020

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SV-105815r1_ruleThe Cisco router must be configured to enforce approved authorizations for controlling the flow of information within the network based on organization-defined information flow control policies.
SV-105817r1_ruleThe Cisco router must be configured to implement message authentication for all control plane protocols.
SV-105819r1_ruleThe Cisco router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
SV-105821r1_ruleThe Cisco router must be configured to use encryption for routing protocol authentication.
SV-105823r1_ruleThe Cisco router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.
SV-105825r1_ruleThe Cisco router must be configured to have all inactive interfaces disabled.
SV-105827r1_ruleThe Cisco router must be configured to have all non-essential capabilities disabled.
SV-105829r1_ruleThe Cisco router must not be configured to have any feature enabled that calls home to the vendor.
SV-105831r1_ruleThe Cisco router must be configured to restrict traffic destined to itself.
SV-105833r2_ruleThe Cisco router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
SV-105835r1_ruleThe Cisco router must be configured to have IP directed broadcast disabled on all interfaces.
SV-105837r1_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
SV-105839r1_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
SV-105841r1_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
SV-105843r1_ruleThe Cisco router must be configured to log all packets that have been dropped at interfaces via ACL.
SV-105845r1_ruleThe Cisco router must be configured to produce audit records containing information to establish where the events occurred.
SV-105847r1_ruleThe Cisco router must be configured to produce audit records containing information to establish the source of the events.
SV-105849r1_ruleThe Cisco perimeter router must be configured to deny network traffic by default and allow network traffic by exception.
SV-105851r2_ruleThe Cisco perimeter router must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
SV-105853r1_ruleThe Cisco perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
SV-105855r1_ruleThe Cisco perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.
SV-105857r1_ruleThe Cisco perimeter router must be configured to protect an enclave connected to an alternate gateway by using an inbound filter that only permits packets with destination addresses within the sites address space.
SV-105859r1_ruleThe Cisco perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.
SV-105861r1_ruleThe Cisco perimeter router must be configured to not redistribute static routes to an alternate gateway service provider into BGP or an IGP peering with the NIPRNet or to other autonomous systems.
SV-105863r1_ruleThe Cisco 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).
SV-105865r1_ruleThe Cisco perimeter router must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
SV-105867r1_ruleThe Cisco perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
SV-105869r1_ruleThe Cisco perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.
SV-105871r1_ruleThe Cisco perimeter router must be configured to block all packets with any IP options.
SV-105873r1_ruleThe Cisco perimeter router must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
SV-105875r1_ruleThe Cisco perimeter router must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
SV-105877r1_ruleThe Cisco perimeter router must be configured to have Proxy ARP disabled on all external interfaces.
SV-105879r1_ruleThe Cisco perimeter router must be configured to block all outbound management traffic.
SV-105881r1_ruleThe Cisco out-of-band management (OOBM) gateway router must be configured to transport management traffic to the Network Operations Center (NOC) via dedicated circuit, MPLS/VPN service, or IPsec tunnel.
SV-105883r1_ruleThe Cisco out-of-band management (OOBM) gateway router must be configured to forward only authorized management traffic to the Network Operations Center (NOC).
SV-105885r1_ruleThe Cisco out-of-band management (OOBM) gateway router must be configured to have separate IGP instances for the managed network and management network.
SV-105887r1_ruleThe Cisco out-of-band management (OOBM) gateway router must be configured to not redistribute routes between the management network routing domain and the managed network routing domain.
SV-105889r1_ruleThe Cisco out-of-band management (OOBM) gateway router must be configured to block any traffic destined to itself that is not sourced from the OOBM network or the Network Operations Center (NOC).
SV-105891r1_ruleThe Cisco router must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
SV-105893r1_ruleThe Cisco router providing connectivity to the Network Operations Center (NOC) must be configured to forward all in-band management traffic via an IPsec tunnel.
SV-105895r1_ruleThe Cisco BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).
SV-105897r1_ruleThe Cisco BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
SV-105899r1_ruleThe Cisco BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
SV-105901r1_ruleThe Cisco BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
SV-105903r1_ruleThe 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.
SV-105905r1_ruleThe 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).
SV-105907r1_ruleThe Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
SV-105909r1_ruleThe 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.
SV-105911r1_ruleThe Cisco BGP router must be configured to reject route advertisements from CE routers with an originating AS in the AS_PATH attribute that does not belong to that customer.
SV-105913r1_ruleThe Cisco BGP router must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
SV-105915r1_ruleThe Cisco BGP router must be configured to limit the prefix size on any inbound route advertisement to /24 or the least significant prefixes issued to the customer.
SV-105917r1_ruleThe Cisco BGP router must be configured to use its loopback address as the source address for iBGP peering sessions.
SV-105919r1_ruleThe Cisco MPLS router must be configured to use its loopback address as the source address for LDP peering sessions.
SV-105921r1_ruleThe Cisco MPLS router must be configured to synchronize IGP and LDP to minimize packet loss when an IGP adjacency is established prior to LDP peers completing label exchange.
SV-105923r1_ruleThe MPLS router with RSVP-TE enabled must be configured with message pacing to adjust maximum burst and maximum number of RSVP messages to an output queue based on the link speed and input queue size of adjacent core routers.
SV-105925r1_ruleThe Cisco MPLS router must be configured to have TTL Propagation disabled.
SV-105927r1_ruleThe Cisco PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance bound to the appropriate physical or logical interfaces to maintain traffic separation between all MPLS L3VPNs.
SV-105929r1_ruleThe Cisco PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).
SV-105931r1_ruleThe Cisco PE router must be configured to have each VRF with the appropriate Route Distinguisher (RD).
SV-105933r1_ruleThe Cisco PE router providing MPLS Layer 2 Virtual Private Network (L2VPN) services must be configured to authenticate targeted Label Distribution Protocol (LDP) sessions used to exchange virtual circuit (VC) information using a FIPS-approved message authentication code algorithm.
SV-105935r1_ruleThe Cisco PE router providing MPLS Virtual Private Wire Service (VPWS) must be configured to have the appropriate pseudowire ID for each attachment circuit.
SV-105937r1_ruleThe Cisco 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.
SV-105939r1_ruleThe Cisco PE router must be configured to enforce the split-horizon rule for all pseudowires within a Virtual Private LAN Services (VPLS) bridge domain.
SV-105941r1_ruleThe Cisco PE router providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.
SV-105943r1_ruleThe Cisco PE router must be configured to implement Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) snooping for each Virtual Private LAN Services (VPLS) bridge domain.
SV-105945r1_ruleThe Cisco PE router must be configured to limit the number of MAC addresses it can learn for each Virtual Private LAN Services (VPLS) bridge domain.
SV-105947r1_ruleThe Cisco PE router must be configured to block any traffic that is destined to IP core infrastructure.
SV-105949r1_ruleThe Cisco PE router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
SV-105951r1_ruleThe Cisco PE router must be configured to ignore or block all packets with any IP options.
SV-105953r1_ruleThe Cisco PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
SV-105955r1_ruleThe Cisco P router must be configured to implement a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
SV-105957r1_ruleThe Cisco router must be configured to enforce a Quality-of-Service (QoS) policy to limit the effects of packet flooding denial-of-service (DoS) attacks.
SV-105959r1_ruleThe Cisco multicast router must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
SV-105961r1_ruleThe Cisco multicast router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
SV-105963r1_ruleThe Cisco multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.
SV-105965r1_ruleThe Cisco multicast Rendezvous Point (RP) router must be configured to filter Protocol Independent Multicast (PIM) Join messages received from the Designated Router (DR) for any undesirable multicast groups.
SV-105967r1_ruleThe Cisco multicast Rendezvous Point (RP) router must be configured to filter Protocol Independent Multicast (PIM) Register messages received from the Designated Router (DR) for any undesirable multicast groups and sources.
SV-105969r1_ruleThe Cisco multicast Rendezvous Point (RP) router must be configured to filter Protocol Independent Multicast (PIM) Join messages received from the Designated Router (DR) for any undesirable multicast groups.
SV-105971r1_ruleThe Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.
SV-105973r1_ruleThe Cisco multicast Designated Router (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join only multicast groups that have been approved by the organization.
SV-105975r1_ruleThe Cisco multicast Designated Router (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join a multicast group only from sources that have been approved by the organization.
SV-105977r1_ruleThe Cisco multicast Designated Router (DR) must be configured to limit the number of mroute states resulting from Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Host Membership Reports.
SV-105979r1_ruleThe Cisco multicast Designated Router (DR) must be configured to set the shortest-path tree (SPT) threshold to infinity to minimalize source-group (S, G) state within the multicast topology where Any Source Multicast (ASM) is deployed.
SV-105981r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.
SV-105983r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.
SV-105985r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to filter received source-active multicast advertisements for any undesirable multicast groups and sources.
SV-105987r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to filter source-active multicast advertisements to external MSDP peers to avoid global visibility of local-only multicast sources and groups.
SV-105989r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to limit the amount of source-active messages it accepts on a per-peer basis.
SV-105991r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to use a loopback address as the source address when originating MSDP traffic.