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Nokia Service Router OS 25.x Router Security Technical Implementation Guide

Version

V1R1

Release Date

Jun 15, 2026

SCAP Benchmark ID

Nokia_SR_OS_25-x_RTR_STIG

Total Checks

95

Tags

network
CAT I: 10CAT II: 59CAT III: 26

This Security Technical Implementation Guide is published as a tool to improve the security of Department of War (DoW) 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 (95)

V-283821MEDIUMThe Nokia perimeter router must be configured to have Proxy ARP disabled on all external interfaces.V-283822MEDIUMThe multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) register messages.V-283823MEDIUMThe Nokia perimeter router must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DOD Instruction (DODI) 8551.1.V-283824HIGHThe Nokia Provider Edge (PE) router providing Multiprotocol Label Switching (MPLS) Virtual Private Wire Service (VPWS) must be configured to have the appropriate virtual circuit identification (VC ID) for each attachment circuit.V-283825MEDIUMThe Nokia Provider Edge (PE) router must be configured to limit the number of MAC addresses it can learn for each virtual private local access network service (VPLS) bridge domain.V-283826HIGHThe Nokia Provider Edge (PE) router providing virtual private local area network 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-283827LOWThe Nokia Border Gateway Protocol (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-283828LOWThe Nokia Border Gateway Protocol (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-283829MEDIUMThe Nokia out-of-band management (OOBM) gateway must be configured to transport management traffic to the Network Operations Center (NOC) via dedicated circuit, Multiprotocol Label Switching/Virtual Private Network (MPLS/VPN) service, or IPsec tunnel.V-283830LOWThe Nokia Border Gateway Protocol (BGP) router must be configured to use its loopback address as the source address for iBGP peering sessions.V-283831LOWThe Nokia Multicast Source Discovery Protocol (MSDP) router must be configured to use its loopback address as the source address when originating MSDP traffic.V-283832LOWThe Nokia Multiprotocol Label Switching (MPLS) router must be configured to use its loopback address as the source address for Label Distribution Protocol (LDP) peering sessions.V-283833MEDIUMThe Nokia perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.V-283834LOWThe Nokia 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-283835LOWThe Nokia 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-283836MEDIUMThe Nokia perimeter router must be configured to drop IPv6 packets that contain a Destination Option header with invalid option type values.V-283837MEDIUMThe perimeter router must be configured to drop IPv6 packets containing a Hop-by-Hop header with invalid option type values.V-283838LOWThe Nokia router must be configured to power off Bluetooth and disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.V-283839MEDIUMThe Nokia Provider Edge (PE) router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all Customer Edge (CE)-facing interfaces.V-283840MEDIUMThe Nokia perimeter router must be configured drop IPv6 packets with a Routing Header type of 0, 1, or 3-255.V-283841HIGHThe Nokia router must be configured to restrict traffic destined to itself.V-283842MEDIUMThe Nokia router must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.V-283843HIGHThe Nokia Provider Edge (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 Multiprotocol Label Switching (MPLS) layer 3 virtual private networks (L3VPNs).V-283844HIGHThe Nokia Provider Edge (PE) router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).V-283845MEDIUMThe Nokia 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-283846MEDIUMThe Nokia perimeter router must be configured to drop IPv6 packets containing an extension header with the Endpoint Identification option.V-283847MEDIUMThe Nokia perimeter router must be configured to drop IPv6 packets containing the network service access point (NSAP) address option within the Destination Option header.V-283848MEDIUMThe Nokia out-of-band management (OOBM) gateway router must be configured to forward only authorized management traffic to the Network Operations Center (NOC).V-283849LOWThe Nokia router must be configured to advertise a hop limit of at least 32 in Router Advertisement messages for IPv6 stateless auto-configuration deployments.V-283850LOWThe Nokia Multicast Source Discovery Protocol (MSDP) router must be configured to filter received source-active multicast advertisements for any undesirable multicast groups and sources.V-283851MEDIUMThe Nokia router must be configured to have Internet Control Message Protocol (ICMP) redirects disabled on all external interfaces.V-283852MEDIUMThe Nokia router must be configured to have Internet Control Message Protocol (ICMP) mask replies disabled on all external interfaces.V-283853MEDIUMThe Nokia router must be configured to have Internet Control Message Protocol (ICMP) unreachable notifications disabled on all external interfaces.V-283854MEDIUMThe Nokia Multiprotocol Label Switching (MPLS) router must be configured to have time-to-live (TTL) propagation disabled.V-283855LOWThe Nokia Border Gateway Protocol (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-283856MEDIUMThe Nokia Border Gateway Protocol (BGP) router must be configured to use the maximum prefixes feature to protect against route table flooding and prefix deaggregation attacks.V-283857MEDIUMThe Nokia 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-283858MEDIUMThe Nokia multicast Designated Router (DR) must be configured to increase the shortest-path tree (SPT) threshold or set it to infinity to minimize source-group (S, G) state within the multicast topology where Any Source Multicast (ASM) is deployed.V-283859MEDIUMThe Nokia router must implement physically or logically separate subnetworks to isolate organization-defined critical system components and functions.V-283860LOWThe Nokia Multiprotocol Label Switching (MPLS) router with Resource Reservation Protocol - Traffic Engineering (RSVP-TE) enabled must be configured with message pacing or refresh reduction to adjust the maximum number of RSVP messages to an output queue based on the link speed and input queue size of adjacent core routers.V-283861MEDIUMThe Nokia router must be configured to have Address Resolution Protocol (ARP) Learn Unsolicited disabled on all external interfaces.V-283862LOWThe Nokia 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-283863MEDIUMThe Nokia 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-283864LOWThe Nokia 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-283865LOWThe Nokia 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-283866MEDIUMThe Nokia multicast router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.V-283867MEDIUMThe Nokia Provider Edge (PE) router must be configured to ignore or block all packets with any IP options.V-283868MEDIUMThe Nokia perimeter router must be configured to block all packets with any IP options.V-283869LOWThe Nokia Multiprotocol Label Switching (MPLS) router must be configured to synchronize Interior Gateway Protocol (IGP) and Label Distribution Protocol (LDP) to minimize packet loss when an IGP adjacency is established prior to LDP peers completing label exchange.V-283870MEDIUMThe Nokia Border Gateway Protocol (BGP) router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.V-283871MEDIUMThe Nokia perimeter router must be configured to drop IPv6 undetermined transport packets.V-283872MEDIUMThe Nokia router must not be configured to have the auto-boot feature enabled when connected to an operational network.V-283873MEDIUMThe Nokia Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.V-283874MEDIUMThe Nokia Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.V-283875LOWThe Nokia 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-283876MEDIUMThe Nokia perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.V-283877LOWThe Nokia perimeter router must be configured to have Link Layer Discovery Protocols (LLDPs) disabled on all external interfaces and ensure LLDPs are not included in the system level.V-283878MEDIUMThe Nokia Provider Edge (PE) router providing Multiprotocol Label Switching (MPLS) layer 2 virtual private network (L2VPN) services must be configured to authenticate targeted Label Distribution Protocol (LDP) sessions used to exchange virtual circuit information using a Federal Information Processing Standards (FIPS)-approved message authentication code algorithm.V-283879HIGHThe Nokia perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.V-283880HIGHThe Nokia Provider Edge (PE) router must be configured to block any traffic that is destined to Internet Protocol (IP) core infrastructure.V-283881MEDIUMThe Nokia 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-283882LOWThe Nokia Provider Edge (PE) router must be configured to implement Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) snooping for each virtual private local area network services (VPLS) bridge domain.V-283883LOWThe Nokia perimeter router must be configured to not redistribute static routes to an alternate gateway service provider into Border Gateway Protocol (BGP) or an Interior Gateway Protocol (IGP) peering with the NIPRNet or to other autonomous systems.V-283884MEDIUMThe Nokia Border Gateway Protocol (BGP) router must be configured to use a unique key for each autonomous system (AS) that it peers with.V-283885MEDIUMThe Nokia router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.V-283886MEDIUMThe Nokia 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-283887MEDIUMThe Nokia 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-283888LOWThe Nokia multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.V-283889MEDIUMThe Nokia multicast router must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.V-283890LOWThe Nokia Border Gateway Protocol (BGP) router must be configured to enable the Generalized TTL Security Mechanism (GTSM).V-283891MEDIUMThe Nokia router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.V-283892MEDIUMThe Nokia perimeter router must be configured to block all outbound management traffic.V-283893HIGHThe Nokia 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 site's address space.V-283894MEDIUMThe Nokia Provider Edge (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-283895MEDIUMThe Nokia router must employ organization-defined controls by type of denial of service (DoS) to achieve the DoS objective.V-283897MEDIUMThe Nokia perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.V-283898LOWThe Nokia router must be configured to log all packets that have been dropped.V-283899MEDIUMThe Nokia router must not be configured to use IPv6 Site Local Unicast addresses.V-283900MEDIUMThe Nokia Border Gateway Protocol (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-283901MEDIUMThe Nokia Provider Edge (PE) router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Distinguisher (RD).V-283902LOWThe Nokia router must be configured to have IP directed broadcast disabled on all interfaces.V-283903LOWThe Nokia router must be configured to have all inactive interfaces disabled.V-283904MEDIUMThe Nokia Border Gateway Protocol (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-283905MEDIUMThe Nokia perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.V-283906MEDIUMThe Nokia perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.V-283907MEDIUMThe Nokia Border Gateway Protocol (BGP) router must be configured to reject inbound route advertisements for any Bogon prefixes.V-283908MEDIUMThe Nokia Border Gateway Protocol (BGP) router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).V-283909LOWThe Nokia Provider Edge (PE) router must be configured to enforce the split-horizon rule for all pseudowires within a virtual private local area network services (VPLS) bridge domain.V-283910MEDIUMThe Nokia Provider Edge (PE) router providing virtual private local area network services (VPLS) must be configured to have traffic broadcast storm thresholds on customer edge-facing interfaces.V-283911MEDIUMThe Nokia router must be configured to authenticate all routing protocol messages using National Institute of Standards and Technology (NIST)-validated Federal Information Processing Standards (FIPS) 198-1 message authentication code algorithm.V-283912MEDIUMThe Nokia router must be configured to implement message authentication for all control plane protocols.V-283913HIGHThe Nokia perimeter router must be configured to deny network traffic by default and allow network traffic by exception.V-283914HIGHThe Nokia 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-283915MEDIUMThe Nokia router must establish organization-defined alternate communications paths for system operations organizational command and control.V-283916MEDIUMThe Nokia router providing connectivity to the Network Operations Center (NOC) must be configured to forward all in-band management traffic via a Media Access Control Security (MACsec) tunnel.