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Cisco IOS XE Switch RTR Security Technical Implementation Guide

Version

V3R4

Benchmark ID

Cisco_IOS_XE_Switch_RTR_STIG

Total Checks

88

Tags

networkmobile
CAT I: 8CAT II: 52CAT III: 28

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.

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Checks (88)

V-220986MEDIUMThe 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-220990MEDIUMThe Cisco switch must be configured to enable routing protocol authentication using FIPS 198-1 algorithms with keys not exceeding 180 days of lifetime.V-220991LOWThe Cisco switch must be configured to have all inactive layer 3 interfaces disabled.V-220994MEDIUMThe Cisco switch must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.V-220995HIGHThe Cisco switch must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.V-220998MEDIUMThe Cisco switch must be configured to have Gratuitous ARP disabled on all external interfaces.V-220999LOWThe Cisco switch must be configured to have IP directed broadcast disabled on all interfaces.V-221000MEDIUMThe Cisco switch must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.V-221001MEDIUMThe Cisco switch must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.V-221002MEDIUMThe Cisco switch must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.V-221003LOWThe Cisco switch must be configured to log all packets that have been dropped at interfaces via an ACL.V-221004MEDIUMThe Cisco switch must be configured to produce audit records containing information to establish where the events occurred.V-221005MEDIUMThe Cisco switch must be configured to produce audit records containing information to establish the source of the events.V-221006LOWThe Cisco switch must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.V-221007HIGHThe Cisco perimeter switch must be configured to deny network traffic by default and allow network traffic by exception.V-221008MEDIUMThe 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-221009MEDIUMThe Cisco perimeter switch must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.V-221010MEDIUMThe Cisco perimeter switch must be configured to block inbound packets with source Bogon IP address prefixes.V-221011HIGHThe 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-221012MEDIUMThe 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-221013MEDIUMThe Cisco perimeter switch must be configured to filter ingress traffic at the external interface on an inbound direction.V-221014MEDIUMThe Cisco perimeter switch must be configured to filter egress traffic at the internal interface on an inbound direction.V-221015MEDIUMThe Cisco perimeter switch must be configured to block all packets with any IP options.V-221016LOWThe Cisco perimeter switch must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.V-221017LOWThe Cisco perimeter switch must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.V-221018MEDIUMThe Cisco perimeter switch must be configured to have Proxy ARP disabled on all external interfaces.V-221019MEDIUMThe Cisco perimeter switch must be configured to block all outbound management traffic.V-221020MEDIUMThe Cisco switch must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.V-221021LOWThe Cisco BGP switch must be configured to enable the Generalized TTL Security Mechanism (GTSM).V-221022MEDIUMThe Cisco BGP switch must be configured to use a unique key for each autonomous system (AS) that it peers with.V-221023MEDIUMThe Cisco BGP switch must be configured to reject inbound route advertisements for any Bogon prefixes.V-221024MEDIUMThe Cisco BGP switch must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).V-221025MEDIUMThe 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-221026MEDIUMThe 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-221027MEDIUMThe Cisco BGP switch must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.V-221028LOWThe 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-221029LOWThe 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-221030MEDIUMThe Cisco BGP switch must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.V-221031LOWThe 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-221032LOWThe Cisco BGP switch must be configured to use its loopback address as the source address for iBGP peering sessions.V-221033LOWThe Cisco MPLS switch must be configured to use its loopback address as the source address for LDP peering sessions.V-221034LOWThe 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.V-221035LOWThe 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-221036MEDIUMThe Cisco MPLS switch must be configured to have TTL Propagation disabled.V-221037HIGHThe 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-221038HIGHThe Cisco PE switch must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).V-221039MEDIUMThe Cisco PE switch must be configured to have each VRF with the appropriate Route Distinguisher (RD).V-221040MEDIUMThe 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-221041HIGHThe 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-221042HIGHThe 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-221043LOWThe 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-221044MEDIUMThe Cisco PE switch providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.V-221045LOWThe 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-221046MEDIUMThe 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-221047HIGHThe Cisco PE switch must be configured to block any traffic that is destined to the IP core infrastructure.V-221048MEDIUMThe Cisco PE switch must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.V-221049MEDIUMThe Cisco PE switch must be configured to ignore or drop all packets with any IP options.V-221050LOWThe Cisco PE switch must be configured to enforce a Quality-of-Service (QoS) policy to provide preferred treatment for mission-critical applications.V-221051LOWThe Cisco P switch must be configured to enforce a Quality-of-Service (QoS) policy to provide preferred treatment for mission-critical applications.V-221052MEDIUMThe 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-221053MEDIUMThe Cisco multicast switch must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.V-221054MEDIUMThe Cisco multicast switch must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.V-221055LOWThe Cisco multicast edge switch must be configured to establish boundaries for administratively scoped multicast traffic.V-221056LOWThe 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-221057LOWThe 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-221058LOWThe 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-221059MEDIUMThe Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.V-221060LOWThe 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-221061MEDIUMThe 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-221062MEDIUMThe 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-221063MEDIUMThe 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-221064MEDIUMThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to only accept MSDP packets from known MSDP peers.V-221065MEDIUMThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to authenticate all received MSDP packets.V-221066LOWThe 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-221067LOWThe 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-221068LOWThe 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-221069LOWThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to use a loopback address as the source address when originating MSDP traffic.V-237750MEDIUMThe Cisco switch must be configured to have Cisco Express Forwarding enabled.V-237752LOWThe Cisco switch must be configured to advertise a hop limit of at least 32 in Switch Advertisement messages for IPv6 stateless auto-configuration deployments.V-237756MEDIUMThe Cisco switch must not be configured to use IPv6 Site Local Unicast addresses.V-237759MEDIUMThe Cisco perimeter switch must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.V-237762MEDIUMThe Cisco perimeter switch must be configured to drop IPv6 undetermined transport packets.V-237764MEDIUMThe Cisco perimeter switch must be configured drop IPv6 packets with a Routing Header type 0, 1, or 3-255.V-237766MEDIUMThe Cisco perimeter switch must be configured to drop IPv6 packets containing a Hop-by-Hop header with invalid option type values.V-237772MEDIUMThe Cisco perimeter switch must be configured to drop IPv6 packets containing a Destination Option header with invalid option type values.V-237774MEDIUMThe Cisco perimeter switch must be configured to drop IPv6 packets containing an extension header with the Endpoint Identification option.V-237776MEDIUMThe Cisco perimeter switch must be configured to drop IPv6 packets containing the NSAP address option within Destination Option header.V-237778MEDIUMThe Cisco perimeter switch must be configured to drop IPv6 packets containing a Hop-by-Hop or Destination Option extension header with an undefined option type.