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Cisco IOS-XE Switch RTR Security Technical Implementation Guide


Overview

Date Finding Count (84)
2020-05-20 CAT I (High): 8 CAT II (Med): 48 CAT III (Low): 28
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 II - Mission Support Public)

Finding ID Severity Title
V-101811 High The Cisco PE switch must be configured to block any traffic that is destined to the IP core infrastructure.
V-101709 High The Cisco switch must be configured to restrict traffic destined to itself.
V-101731 High The Cisco perimeter switch must be configured to deny network traffic by default and allow network traffic by exception.
V-101739 High The Cisco perimeter switch 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-101793 High The Cisco PE switch must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).
V-101791 High The Cisco PE switch 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-101799 High The Cisco PE switch providing MPLS Virtual Private Wire Service (VPWS) must be configured to have the appropriate virtual circuit identification (VC ID) for each attachment circuit.
V-101801 High The Cisco PE switch 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-101689 Medium The Cisco switch 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-101725 Medium The Cisco switch must be configured to produce audit records containing information to establish where the events occurred.
V-101745 Medium The Cisco perimeter switch must be configured to filter egress traffic at the internal interface on an inbound direction.
V-101735 Medium The Cisco perimeter switch must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
V-101717 Medium The Cisco switch must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
V-101769 Medium The Cisco BGP switch 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-101763 Medium The Cisco BGP switch must be configured to reject inbound route advertisements for any Bogon prefixes.
V-101721 Medium The Cisco switch must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
V-101767 Medium The Cisco BGP switch must be configured to reject inbound route advertisements from a customer edge (CE) switch for prefixes that are not allocated to that customer.
V-101765 Medium The Cisco BGP switch must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
V-101747 Medium The Cisco perimeter switch must be configured to block all packets with any IP options.
V-101771 Medium The Cisco BGP switch must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
V-101727 Medium The Cisco switch must be configured to produce audit records containing information to establish the source of the events.
V-101703 Medium The Cisco switch must not be configured to have any feature enabled that calls home to the vendor.
V-101813 Medium The Cisco PE switch must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
V-101737 Medium The Cisco perimeter switch must be configured to block inbound packets with source Bogon IP address prefixes.
V-101743 Medium The Cisco perimeter switch must be configured to filter ingress traffic at the external interface on an inbound direction.
V-101733 Medium The Cisco perimeter switch must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
V-101825 Medium The Cisco multicast switch must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
V-101705 Medium The Cisco switch must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
V-101805 Medium The Cisco PE switch providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.
V-101697 Medium The Cisco switch must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.
V-101695 Medium The Cisco switch must be configured to use encryption for routing protocol authentication.
V-101693 Medium The Cisco switch must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
V-101795 Medium The Cisco PE switch must be configured to have each VRF with the appropriate Route Distinguisher (RD).
V-101691 Medium The Cisco switch must be configured to implement message authentication for all control plane protocols.
V-101753 Medium The Cisco perimeter switch must be configured to have Proxy ARP disabled on all external interfaces.
V-101789 Medium The Cisco MPLS switch must be configured to have TTL Propagation disabled.
V-101741 Medium The Cisco perimeter switch must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
V-101757 Medium The Cisco switch must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
V-101707 Medium The Cisco switch must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.
V-101755 Medium The Cisco perimeter switch must be configured to block all outbound management traffic.
V-101821 Medium The Cisco switch must be configured to enforce a Quality-of-Service (QoS) policy to limit the effects of packet flooding denial-of-service (DoS) attacks.
V-101823 Medium The Cisco multicast switch must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
V-101809 Medium The Cisco PE switch must be configured to limit the number of MAC addresses it can learn for each Virtual Private LAN Services (VPLS) bridge domain.
V-101777 Medium The Cisco BGP switch must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
V-101713 Medium The Cisco switch must be configured to have Gratuitous ARP disabled on all external interfaces.
V-101835 Medium The Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.
V-101719 Medium The Cisco switch must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
V-101843 Medium The Cisco multicast Designated switch (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-101841 Medium The Cisco multicast Designated switch (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-101847 Medium The Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to authenticate all received MSDP packets.
V-101845 Medium The Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to only accept MSDP packets from known MSDP peers.
V-101815 Medium The Cisco PE switch must be configured to ignore or drop all packets with any IP options.
V-101839 Medium The Cisco multicast Designated switch (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-101797 Medium The Cisco PE switch 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-101761 Medium The Cisco BGP switch must be configured to use a unique key for each autonomous system (AS) that it peers with.
V-101711 Medium The Cisco switch must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
V-101749 Low The Cisco perimeter switch must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
V-101751 Low The Cisco perimeter switch must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
V-101829 Low The Cisco multicast Rendezvous Point (RP) switch 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-101715 Low The Cisco switch must be configured to have IP directed broadcast disabled on all interfaces.
V-101701 Low The Cisco switch must be configured to have all non-essential capabilities disabled.
V-101781 Low The Cisco BGP switch must be configured to use its loopback address as the source address for iBGP peering sessions.
V-101759 Low The Cisco BGP switch must be configured to enable the Generalized TTL Security Mechanism (GTSM).
V-101787 Low The MPLS switch 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 switches.
V-101837 Low The Cisco multicast Designated switch (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-101729 Low The Cisco switch must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.
V-101723 Low The Cisco switch must be configured to log all packets that have been dropped at interfaces via an ACL.
V-101851 Low The Cisco Multicast Source Discovery Protocol (MSDP) switch 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-101853 Low The Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to limit the amount of source-active messages it accepts on a per-peer basis.
V-101855 Low The Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to use a loopback address as the source address when originating MSDP traffic.
V-101817 Low The Cisco PE switch must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS GIG Technical Profile.
V-101833 Low The Cisco multicast Rendezvous Point (RP) switch must be configured to filter Protocol Independent Multicast (PIM) Join messages received from the Designated Cisco switch (DR) for any undesirable multicast groups.
V-101827 Low The Cisco multicast edge switch must be configured to establish boundaries for administratively scoped multicast traffic.
V-101779 Low The Cisco BGP switch 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-101775 Low The Cisco BGP switch must be configured to reject route advertisements from CE switches with an originating AS in the AS_PATH attribute that does not belong to that customer.
V-101831 Low The Cisco multicast Rendezvous Point (RP) switch must be configured to filter Protocol Independent Multicast (PIM) Register messages received from the Designated switch (DR) for any undesirable multicast groups and sources.
V-101773 Low The Cisco BGP switch 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-101699 Low The Cisco switch must be configured to have all inactive layer 3 interfaces disabled.
V-101803 Low The Cisco PE switch must be configured to enforce the split-horizon rule for all pseudowires within a Virtual Private LAN Services (VPLS) bridge domain.
V-101807 Low The Cisco PE switch 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-101783 Low The Cisco MPLS switch must be configured to use its loopback address as the source address for LDP peering sessions.
V-101819 Low The Cisco P switch must be configured to implement a Quality-of-Service (QoS) policy in accordance with the QoS GIG Technical Profile.
V-101849 Low The Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to filter received source-active multicast advertisements for any undesirable multicast groups and sources.
V-101785 Low The Cisco MPLS switch 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.