STIGQter STIGQter: STIG Summary:

Cisco IOS Router RTR Security Technical Implementation Guide

Version: 2

Release: 1 Benchmark Date: 23 Oct 2020

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SV-216551r531085_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-216554r531085_ruleThe Cisco router must be configured to use encryption for routing protocol authentication.
SV-216555r531085_ruleThe Cisco router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.
SV-216556r531085_ruleThe Cisco router must be configured to have all inactive interfaces disabled.
SV-216557r531085_ruleThe Cisco router must be configured to have all non-essential capabilities disabled.
SV-216559r531085_ruleThe Cisco router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
SV-216560r531085_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-216561r531085_ruleThe Cisco router must be configured to restrict traffic destined to itself.
SV-216562r531085_ruleThe Cisco router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
SV-216563r531085_ruleThe Cisco router must be configured to have Gratuitous ARP disabled on all external interfaces.
SV-216564r531085_ruleThe Cisco router must be configured to have IP directed broadcast disabled on all interfaces.
SV-216565r531085_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
SV-216566r531085_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
SV-216567r531085_ruleThe Cisco router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
SV-216568r531085_ruleThe Cisco router must be configured to log all packets that have been dropped at interfaces via an ACL.
SV-216569r531085_ruleThe Cisco router must be configured to produce audit records containing information to establish where the events occurred.
SV-216570r531085_ruleThe Cisco router must be configured to produce audit records containing information to establish the source of the events.
SV-216571r531085_ruleThe Cisco router must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.
SV-216572r531085_ruleThe Cisco perimeter router must be configured to deny network traffic by default and allow network traffic by exception.
SV-216573r531085_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-216574r531085_ruleThe Cisco perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
SV-216575r531085_ruleThe Cisco perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.
SV-216576r531085_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-216577r531085_ruleThe Cisco perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.
SV-216578r531085_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-216580r531085_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-216581r531085_ruleThe Cisco perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
SV-216582r531085_ruleThe Cisco perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.
SV-216584r531085_ruleThe Cisco perimeter router must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
SV-216585r531085_ruleThe Cisco perimeter router must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
SV-216586r531085_ruleThe Cisco perimeter router must be configured to have Proxy ARP disabled on all external interfaces.
SV-216587r531085_ruleThe Cisco perimeter router must be configured to block all outbound management traffic.
SV-216588r531085_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-216589r531085_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-216590r531085_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-216591r531085_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-216592r531085_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-216593r531085_ruleThe Cisco router must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
SV-216594r531085_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-216597r531085_ruleThe Cisco BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
SV-216598r531085_ruleThe Cisco BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
SV-216599r531085_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-216600r531085_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-216601r531085_ruleThe Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
SV-216602r531085_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-216603r531085_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-216604r531085_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-216605r531085_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-216606r531085_ruleThe Cisco BGP router must be configured to use its loopback address as the source address for iBGP peering sessions.
SV-216607r531085_ruleThe Cisco MPLS router must be configured to use its loopback address as the source address for LDP peering sessions.
SV-216608r531085_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-216609r531085_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-216610r531085_ruleThe Cisco MPLS router must be configured to have TTL Propagation disabled.
SV-216611r531085_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-216612r531085_ruleThe Cisco PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).
SV-216613r531085_ruleThe Cisco PE router must be configured to have each VRF with the appropriate Route Distinguisher (RD).
SV-216614r531085_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-216615r531085_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-216616r531085_ruleThe Cisco PE router must be configured to block any traffic that is destined to IP core infrastructure.
SV-216617r531085_ruleThe Cisco PE router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
SV-216619r531085_ruleThe Cisco PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
SV-216620r531085_ruleThe Cisco P router must be configured to implement a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
SV-216621r531085_ruleThe Cisco PE 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-216622r531085_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-216623r531085_ruleThe Cisco multicast router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
SV-216624r531085_ruleThe Cisco multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.
SV-216625r531085_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-216626r531085_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-216627r531085_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-216628r531085_ruleThe Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.
SV-216629r531085_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-216630r531085_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-216631r531085_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-216632r531085_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-216633r531085_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.
SV-216634r531085_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.
SV-216635r531085_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-216636r531085_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-216637r531085_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-216638r531085_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-216986r538969_ruleThe Cisco router must be configured to implement message authentication for all control plane protocols.
SV-216987r531085_ruleThe Cisco router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
SV-216988r538977_ruleThe Cisco router must not be configured to have any feature enabled that calls home to the vendor.
SV-216989r531085_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-216990r531085_ruleThe Cisco perimeter router must be configured to block all packets with any IP options.
SV-216991r531085_ruleThe Cisco BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).
SV-216992r531085_ruleThe Cisco BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
SV-216993r531085_ruleThe Cisco PE router must be configured to drop all packets with any IP options.
SV-229030r531380_ruleThe Cisco router must be configured to have Cisco Express Forwarding enabled.
SV-230038r531386_ruleThe Cisco router must be configured to advertise a hop limit of at least 32 in Router Advertisement messages for IPv6 stateless auto-configuration deployments.
SV-230041r532998_ruleThe Cisco router must not be configured to use IPv6 Site Local Unicast addresses.
SV-230044r533005_ruleThe Cisco perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
SV-230047r533184_ruleThe Cisco perimeter router must be configured to drop IPv6 undetermined transport packets.
SV-230050r533192_ruleThe Cisco perimeter router must be configured drop IPv6 packets with a Routing Header type 0, 1, or 3–255.
SV-230145r538505_ruleThe Cisco perimeter router must be configured to drop IPv6 packets containing a Hop-by-Hop header with invalid option type values.
SV-230149r538592_ruleThe Cisco perimeter router must be configured to drop IPv6 packets containing a Destination Option header with invalid option type values.
SV-230152r538599_ruleThe Cisco perimeter router must be configured to drop IPv6 packets containing an extension header with the Endpoint Identification option.
SV-230155r538607_ruleThe Cisco perimeter router must be configured to drop IPv6 packets containing the NSAP address option within Destination Option header.
SV-230158r538614_ruleThe Cisco perimeter router must be configured to drop IPv6 packets containing a Hop-by-Hop or Destination Option extension header with an undefined option type.