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Cisco IOS XE Router RTR Security Technical Implementation Guide


Overview

Date Finding Count (104)
2022-02-17 CAT I (High): 10 CAT II (Med): 64 CAT III (Low): 30
STIG Description
This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DoD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.

Available Profiles



Findings (MAC III - Administrative Sensitive)

Finding ID Severity Title
V-216662 High The Cisco perimeter router must be configured to deny network traffic by default and allow network traffic by exception.
V-216666 High The 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.
V-216667 High The Cisco perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.
V-216701 High The 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.
V-216702 High The Cisco PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).
V-216705 High The 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.
V-216706 High The 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.
V-216997 High The 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).
V-216711 High The Cisco PE router must be configured to block any traffic that is destined to IP core infrastructure.
V-216651 High The Cisco router must be configured to restrict traffic destined to itself.
V-216726 Medium The 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.
V-216663 Medium The Cisco perimeter router must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
V-216660 Medium The Cisco router must be configured to produce audit records containing information to establish the source of the events.
V-216664 Medium The Cisco perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
V-216665 Medium The Cisco perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.
V-216700 Medium The Cisco MPLS router must be configured to have TTL Propagation disabled.
V-216703 Medium The Cisco PE router must be configured to have each VRF with the appropriate Route Distinguisher (RD).
V-216704 Medium The 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.
V-216708 Medium The Cisco PE router providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.
V-216994 Medium The Cisco router must be configured to implement message authentication for all control plane protocols.
V-216995 Medium The Cisco router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
V-216996 Medium The Cisco router must not be configured to have any feature enabled that calls home to the vendor.
V-216998 Medium The Cisco perimeter router must be configured to block all packets with any IP options.
V-216679 Medium The Cisco out-of-band management (OOBM) gateway router must be configured to forward only authorized management traffic to the Network Operations Center (NOC).
V-216678 Medium The 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.
V-216677 Medium The Cisco perimeter router must be configured to block all outbound management traffic.
V-216676 Medium The Cisco perimeter router must be configured to have Proxy ARP disabled on all external interfaces.
V-216671 Medium The Cisco perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
V-216670 Medium The Cisco perimeter router must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
V-216672 Medium The Cisco perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.
V-217001 Medium The Cisco PE router must be configured to ignore or drop all packets with any IP options.
V-217000 Medium The Cisco BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
V-216680 Medium The 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.
V-216681 Medium The 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.
V-216682 Medium The 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).
V-216683 Medium The Cisco router must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
V-216684 Medium The Cisco router providing connectivity to the Network Operations Center (NOC) must be configured to forward all in-band management traffic via an IPsec tunnel.
V-216687 Medium The Cisco BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
V-216688 Medium The Cisco BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
V-216689 Medium The 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.
V-230150 Medium The Cisco perimeter router must be configured to drop IPv6 packets containing a Destination Option header with invalid option type values.
V-230153 Medium The Cisco perimeter router must be configured to drop IPv6 packets containing an extension header with the Endpoint Identification option.
V-230156 Medium The Cisco perimeter router must be configured to drop IPv6 packets containing the NSAP address option within Destination Option header.
V-230159 Medium The 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.
V-216691 Medium The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
V-216690 Medium The 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).
V-216694 Medium The Cisco BGP router must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
V-230146 Medium The Cisco perimeter router must be configured to drop IPv6 packets containing a Hop-by-Hop header with invalid option type values.
V-230042 Medium The Cisco router must not be configured to use IPv6 Site Local Unicast addresses.
V-230045 Medium The Cisco perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
V-230048 Medium The Cisco perimeter router must be configured to drop IPv6 undetermined transport packets.
V-216718 Medium The Cisco multicast router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
V-230051 Medium The Cisco perimeter router must be configured drop IPv6 packets with a Routing Header type 0, 1, or 3–255.
V-216710 Medium The 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.
V-216644 Medium The Cisco router must be configured to use encryption for routing protocol authentication.
V-216645 Medium The Cisco router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.
V-216641 Medium The 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.
V-216723 Medium The Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.
V-216727 Medium The 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.
V-216649 Medium The Cisco router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
V-216725 Medium The 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.
V-216729 Medium The Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.
V-216728 Medium The Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.
V-216657 Medium The Cisco router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
V-216656 Medium The Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
V-216655 Medium The Cisco router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
V-216653 Medium The Cisco router must be configured to have Gratuitous ARP disabled on all external interfaces.
V-216652 Medium The Cisco router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
V-216650 Medium The Cisco router must be configured to protect against or limit the effects of denial of service (DoS) attacks by employing control plane protection.
V-216716 Medium The 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.
V-216717 Medium The Cisco multicast router must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
V-216712 Medium The Cisco PE router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
V-216659 Medium The Cisco router must be configured to produce audit records containing information to establish where the events occurred.
V-229031 Medium The Cisco router must be configured to have Cisco Express Forwarding enabled.
V-216668 Low The 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.
V-216661 Low The Cisco router must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.
V-216707 Low The Cisco PE router must be configured to enforce the split-horizon rule for all pseudowires within a Virtual Private LAN Services (VPLS) bridge domain.
V-216709 Low The 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.
V-230039 Low The Cisco router must be configured to advertise a hop limit of at least 32 in Router Advertisement messages for IPv6 stateless auto-configuration deployments.
V-216719 Low The Cisco multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.
V-216999 Low The Cisco BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).
V-216675 Low The Cisco perimeter router must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
V-216674 Low The Cisco perimeter router must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
V-216693 Low The 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.
V-216692 Low The 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.
V-216697 Low The Cisco MPLS router must be configured to use its loopback address as the source address for LDP peering sessions.
V-216696 Low The Cisco BGP router must be configured to use its loopback address as the source address for iBGP peering sessions.
V-216695 Low The 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.
V-216699 Low The 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.
V-216698 Low The 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.
V-216730 Low The Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to filter received source-active multicast advertisements for any undesirable multicast groups and sources.
V-216731 Low The 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.
V-216732 Low The 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.
V-216733 Low The Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to use a loopback address as the source address when originating MSDP traffic.
V-216646 Low The Cisco router must be configured to have all inactive interfaces disabled.
V-216647 Low The Cisco router must be configured to have all non-essential capabilities disabled.
V-216722 Low The 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.
V-216721 Low The 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.
V-216720 Low The 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.
V-216724 Low The 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.
V-216654 Low The Cisco router must be configured to have IP directed broadcast disabled on all interfaces.
V-216714 Low The Cisco PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
V-216715 Low The Cisco P router must be configured to implement a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
V-216658 Low The Cisco router must be configured to log all packets that have been dropped at interfaces via ACL.