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

Version: 1

Release: 2 Benchmark Date: 24 Jan 2020

CheckedNameTitle
SV-105993r1_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-105995r2_ruleThe Cisco router must be configured to implement message authentication for all control plane protocols.
SV-105997r1_ruleThe Cisco router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
SV-105999r1_ruleThe Cisco router must be configured to use encryption for routing protocol authentication.
SV-106001r1_ruleThe Cisco router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.
SV-106003r1_ruleThe Cisco router must be configured to have all inactive interfaces disabled.
SV-106005r1_ruleThe Cisco router must be configured to have all non-essential capabilities disabled.
SV-106007r1_ruleThe Cisco router must not be configured to have any feature enabled that calls home to the vendor.
SV-106009r1_ruleThe Cisco router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
SV-106011r1_ruleThe Cisco router must be configured to protect against or limit the effects of denial of service (DoS) attacks by employing control plane protection.
SV-106013r1_ruleThe Cisco router must be configured to restrict traffic destined to itself.
SV-106015r2_ruleThe Cisco router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
SV-106017r1_ruleThe Cisco router must be configured to have Gratuitous ARP disabled on all external interfaces.
SV-106019r1_ruleThe Cisco router must be configured to have IP directed broadcast disabled on all interfaces.
SV-106021r1_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
SV-106023r1_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
SV-106025r1_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
SV-106027r1_ruleThe Cisco router must be configured to log all packets that have been dropped at interfaces via ACL.
SV-106029r1_ruleThe Cisco router must be configured to produce audit records containing information to establish where the events occurred.
SV-106031r1_ruleThe Cisco router must be configured to produce audit records containing information to establish the source of the events.
SV-106033r1_ruleThe Cisco router must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.
SV-106035r1_ruleThe Cisco perimeter router must be configured to deny network traffic by default and allow network traffic by exception.
SV-106037r2_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-106039r2_ruleThe Cisco perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
SV-106041r1_ruleThe Cisco perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.
SV-106043r1_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-106045r1_ruleThe Cisco perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.
SV-106047r1_ruleThe Cisco perimeter router must be configured to not redistribute static routes to an alternate gateway service provider into BGP or an Interior Gateway Protocol (IGP) peering with the NIPRNet or to other autonomous systems.
SV-106049r1_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-106051r1_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-106053r1_ruleThe Cisco perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
SV-106055r1_ruleThe Cisco perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.
SV-106057r1_ruleThe Cisco perimeter router must be configured to block all packets with any IP options.
SV-106059r1_ruleThe Cisco perimeter router must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
SV-106061r1_ruleThe Cisco perimeter router must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
SV-106063r1_ruleThe Cisco perimeter router must be configured to have Proxy ARP disabled on all external interfaces.
SV-106065r1_ruleThe Cisco perimeter router must be configured to block all outbound management traffic.
SV-106067r1_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-106069r1_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-106071r1_ruleThe Cisco out-of-band management (OOBM) gateway router must be configured to have separate Interior Gateway Protocol (IGP) instances for the managed network and management network.
SV-106073r1_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-106075r1_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-106077r1_ruleThe Cisco router must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
SV-106079r1_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-106081r1_ruleThe Cisco BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).
SV-106083r1_ruleThe Cisco BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
SV-106085r2_ruleThe Cisco BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
SV-106087r2_ruleThe Cisco BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
SV-106089r1_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-106091r1_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-106093r1_ruleThe Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
SV-106095r1_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-106097r1_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-106099r1_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-106101r2_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-106103r1_ruleThe Cisco BGP router must be configured to use its loopback address as the source address for iBGP peering sessions.
SV-106105r1_ruleThe Cisco MPLS router must be configured to use its loopback address as the source address for LDP peering sessions.
SV-106107r1_ruleThe Cisco MPLS router must be configured to synchronize Interior Gateway Protocol (IGP) and LDP to minimize packet loss when an IGP adjacency is established prior to LDP peers completing label exchange.
SV-106109r1_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-106111r1_ruleThe Cisco MPLS router must be configured to have TTL Propagation disabled.
SV-106113r1_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-106117r1_ruleThe Cisco PE router must be configured to have each VRF with the appropriate Route Distinguisher (RD).
SV-106119r1_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-106121r1_ruleThe Cisco 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.
SV-106123r1_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-106125r1_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-106127r1_ruleThe Cisco PE router providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.
SV-106129r1_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-106131r1_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-106133r1_ruleThe Cisco PE router must be configured to block any traffic that is destined to IP core infrastructure.
SV-106135r1_ruleThe Cisco PE router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
SV-106137r1_ruleThe Cisco PE router must be configured to ignore or drop all packets with any IP options.
SV-106139r1_ruleThe Cisco PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
SV-106141r1_ruleThe Cisco P router must be configured to implement a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
SV-106143r1_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-106145r1_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-106147r1_ruleThe Cisco multicast router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
SV-106149r1_ruleThe Cisco multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.
SV-106151r1_ruleThe Cisco multicast Rendezvous Point (RP) router must be configured to limit the multicast forwarding cache so that its resources are not saturated by managing an overwhelming number of Protocol Independent Multicast (PIM) and Multicast Source Discovery Protocol (MSDP) source-active entries.
SV-106153r1_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-106155r1_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-106157r1_ruleThe Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.
SV-106159r1_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-106161r1_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-106163r1_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-106165r1_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-106167r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.
SV-106169r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.
SV-106171r1_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-106173r1_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-106175r1_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-106177r1_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to use a loopback address as the source address when originating MSDP traffic.
SV-106249r1_ruleThe Cisco PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).