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Cisco IOS Router RTR Security Technical Implementation Guide


Overview

Date Finding Count (88)
2019-07-25 CAT I (High): 9 CAT II (Med): 52 CAT III (Low): 27
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-96623 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-96625 High The Cisco PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).
V-96523 High The Cisco router must be configured to restrict traffic destined to itself.
V-96559 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-96553 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-96555 High The Cisco perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.
V-96633 High The Cisco PE router must be configured to block any traffic that is destined to IP core infrastructure.
V-96631 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-96545 High The Cisco perimeter router must be configured to deny network traffic by default and allow network traffic by exception.
V-96575 Medium The Cisco perimeter router must be configured to block all outbound management traffic.
V-96577 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-96573 Medium The Cisco perimeter router must be configured to have Proxy ARP disabled on all external interfaces.
V-96665 Medium The Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.
V-96667 Medium The Cisco Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.
V-96661 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-96663 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-96517 Medium The Cisco router must not be configured to have any feature enabled that calls home to the vendor.
V-96511 Medium The Cisco router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.
V-96603 Medium The Cisco BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
V-96519 Medium The Cisco router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
V-97107 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-96563 Medium The Cisco perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
V-96561 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-96567 Medium The Cisco perimeter router must be configured to block all packets with any IP options.
V-96565 Medium The Cisco perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.
V-96505 Medium The Cisco router must be configured to implement message authentication for all control plane protocols.
V-96507 Medium The Cisco router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
V-96503 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-96509 Medium The Cisco router must be configured to use encryption for routing protocol authentication.
V-96629 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-96621 Medium The Cisco MPLS router must be configured to have TTL Propagation disabled.
V-96599 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-96597 Medium The Cisco BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
V-96595 Medium The Cisco BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
V-96593 Medium The Cisco BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
V-96531 Medium The Cisco router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
V-96533 Medium The Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
V-96535 Medium The Cisco router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
V-96539 Medium The Cisco router must be configured to produce audit records containing information to establish where the events occurred.
V-96627 Medium The Cisco PE router must be configured to have each VRF with the appropriate Route Distinguisher (RD).
V-96589 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-96585 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-96587 Medium The Cisco router must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
V-96581 Medium The Cisco out-of-band management (OOBM) gateway router must be configured to have separate IGP instances for the managed network and management network.
V-96583 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-96527 Medium The Cisco router must be configured to have Gratuitous ARP disabled on all external interfaces.
V-96525 Medium The Cisco router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
V-96521 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-96551 Medium The Cisco perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.
V-96579 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-96637 Medium The Cisco PE router must be configured to drop all packets with any IP options.
V-96635 Medium The Cisco PE router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
V-96549 Medium The Cisco perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
V-96541 Medium The Cisco router must be configured to produce audit records containing information to establish the source of the events.
V-96547 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-96609 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-96643 Medium The 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.
V-96645 Medium The Cisco multicast router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
V-96601 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-96655 Medium The Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.
V-96659 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-96669 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-96515 Low The Cisco router must be configured to have all non-essential capabilities disabled.
V-96513 Low The Cisco router must be configured to have all inactive interfaces disabled.
V-96607 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-96605 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-96673 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-96569 Low The Cisco perimeter router must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
V-96675 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-96619 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-96615 Low The Cisco MPLS router must be configured to use its loopback address as the source address for LDP peering sessions.
V-96617 Low The 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.
V-96613 Low The Cisco BGP router must be configured to use its loopback address as the source address for iBGP peering sessions.
V-96591 Low The Cisco BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).
V-96537 Low The Cisco router must be configured to log all packets that have been dropped at interfaces via an ACL.
V-96671 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-96529 Low The Cisco router must be configured to have IP directed broadcast disabled on all interfaces.
V-96571 Low The Cisco perimeter router must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
V-96557 Low The 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.
V-96611 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-96639 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-96543 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-96641 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-96647 Low The Cisco multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.
V-96649 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-96651 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-96653 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-96657 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.