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Juniper EX Series Switches Router Security Technical Implementation Guide

Version

V2R1

Release Date

Jun 10, 2024

SCAP Benchmark ID

Juniper_EX_RTR_STIG

Total Checks

102

Tags

network
CAT I: 10CAT II: 63CAT III: 29

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 (102)

V-253973MEDIUMThe Juniper 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-253974MEDIUMThe Juniper BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.V-253975MEDIUMThe Juniper BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).V-253976MEDIUMThe Juniper 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-253977MEDIUMThe Juniper 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-253978LOWThe Juniper 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-253979LOWThe Juniper router configured for Multicast Source Discovery Protocol (MSDP) must filter received source-active multicast advertisements for any undesirable multicast groups and sources.V-253980LOWThe Juniper router configured for Multicast Source Discovery Protocol (MSDP) must filter source-active multicast advertisements to external MSDP peers to avoid global visibility of local-only multicast sources and groups.V-253981LOWThe Juniper router configured for MSDP must limit the amount of source-active messages it accepts on per-peer basis.V-253982LOWThe Juniper router configured for BGP must reject route advertisements from CE routers with an originating AS in the AS_PATH attribute that does not belong to that customer.V-253983LOWThe Juniper router must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.V-253984MEDIUMThe Juniper router must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.V-253985MEDIUMThe Juniper router must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.V-253986MEDIUMThe Juniper router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.V-253987LOWThe Juniper multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.V-253988LOWThe Juniper router must be configured to have all inactive interfaces disabled.V-253989HIGHThe Juniper 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-253990HIGHThe Juniper perimeter router must not be configured to be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.V-253991LOWThe Juniper perimeter router must not be configured to redistribute static routes to an alternate gateway service provider into BGP or an IGP peering with the NIPRNet or to other autonomous systems.V-253992MEDIUMThe Juniper out-of-band management (OOBM) gateway router must be configured to have separate IGP instances for the managed network and management network.V-253993MEDIUMThe Juniper out-of-band management (OOBM) gateway router must not be configured to redistribute routes between the management network routing domain and the managed network routing domain.V-253994LOWThe Juniper 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-253995LOWThe Juniper 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-253996MEDIUMThe Juniper router must be configured to produce audit records containing information to establish where the events occurred.V-253997MEDIUMThe Juniper router must be configured to produce audit records containing information to establish the source of the events.V-253998LOWThe Juniper router must be configured to log all packets that have been dropped.V-253999LOWThe Juniper router must be configured to have all nonessential capabilities disabled.V-254000MEDIUMThe Juniper router must not be configured to have any feature enabled that calls home to the vendor.V-254001MEDIUMThe Juniper router must be configured to use encryption for routing protocol authentication.V-254002MEDIUMThe Juniper router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.V-254003MEDIUMThe Juniper 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-254004LOWThe Juniper MPLS router with RSVP-TE enabled must be configured to enable refresh reduction features.V-254005MEDIUMThe Juniper PE router providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.V-254006MEDIUMThe Juniper 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-254007LOWThe Juniper PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.V-254008LOWThe Juniper PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS GIG Technical Profile.V-254009HIGHThe Juniper perimeter router must be configured to deny network traffic by default and allow network traffic by exception.V-254010HIGHThe Juniper router must be configured to restrict traffic destined to itself.V-254011MEDIUMThe Juniper router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.V-254012MEDIUMThe Juniper perimeter router must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.V-254013MEDIUMThe Juniper perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.V-254014MEDIUMThe Juniper perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.V-254015MEDIUMThe Juniper BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.V-254016HIGHThe Juniper PE router must be configured to block any traffic that is destined to IP core infrastructure.V-254017MEDIUMThe Juniper PE router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode, or a firewall filter, enabled on all CE-facing interfaces.V-254018MEDIUMThe Juniper out-of-band management (OOBM) gateway must be configured to transport management traffic to the Network Operations Center (NOC) via dedicated circuit, MPLS/VPN service, or IPsec tunnel.V-254019MEDIUMThe Juniper out-of-band management (OOBM) gateway router must be configured to forward only authorized management traffic to the Network Operations Center (NOC).V-254020MEDIUMThe Juniper 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 NOC.V-254021MEDIUMThe Juniper router must be configured to only permit management traffic that ingresses and egresses the OOBM interface.V-254022HIGHThe Juniper 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-254023MEDIUMThe Juniper perimeter router must be configured to block all packets with any IP options.V-254024MEDIUMThe Juniper PE router must be configured to ignore or block all packets with any IP options.V-254025MEDIUMThe Juniper router must be configured to implement message authentication for all control plane protocols.V-254026MEDIUMThe Juniper BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.V-254027MEDIUMThe Juniper router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.V-254028MEDIUMThe router providing MPLS L2VPN services must be configured to authenticate targeted LDP sessions used to exchange VC information using a FIPS-approved message authentication code algorithm.V-254029MEDIUMThe Juniper Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.V-254030MEDIUMThe Juniper router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.V-254031MEDIUMThe Juniper router must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.V-254032MEDIUMThe Juniper router must be configured to have Gratuitous ARP disabled on all external interfaces.V-254033LOWThe Juniper router must be configured to have IP directed broadcast disabled on all interfaces.V-254034MEDIUMThe Juniper router must be configured to have Internet Control Message Protocol (ICMP) unreachable notifications disabled on all external interfaces.V-254035MEDIUMThe Juniper router must be configured to have Internet Control Message Protocol (ICMP) mask replies disabled on all external interfaces.V-254036MEDIUMThe Juniper router must be configured to have Internet Control Message Protocol (ICMP) redirects disabled on all external interfaces.V-254037MEDIUMThe Juniper BGP router must be configured to use the prefix limit feature to protect against route table flooding and prefix deaggregation attacks.V-254038LOWThe Juniper 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-254039LOWThe Juniper 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-254040LOWThe Juniper multicast RP router must be configured to limit the multicast forwarding cache so that its resources are not saturated by managing an overwhelming number of PIM and MSDP source-active entries.V-254041MEDIUMThe Juniper multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.V-254042MEDIUMThe Juniper 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-254043MEDIUMThe Juniper multicast Designated Router (DR) must be configured to increase the shortest-path tree (SPT) threshold or set it to infinity to minimalize source-group (S, G) state within the multicast topology where Any Source Multicast (ASM) is deployed.V-254044LOWThe Juniper BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).V-254045MEDIUMThe Juniper perimeter router must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.V-254046MEDIUMThe Juniper perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.V-254047LOWThe Juniper perimeter router must be configured to have Link Layer Discovery Protocols (LLDPs) disabled on all external interfaces.V-254048MEDIUMThe Juniper perimeter router must be configured to have Proxy ARP disabled on all external interfaces.V-254049MEDIUMThe Juniper perimeter router must be configured to block all outbound management traffic.V-254050LOWThe Juniper multicast Designated Router (DR) must be configured to filter the IGMP and MLD Report messages to allow hosts to join only multicast groups that have been approved by the organization.V-254051MEDIUMThe Juniper multicast Designated Router (DR) must be configured to filter the IGMP and MLD Report messages to allow hosts to join a multicast group only from sources that have been approved by the organization.V-254052MEDIUMThe Juniper Multicast Source Discovery Protocol (MSDP) router must be configured to only accept MSDP packets from known MSDP peers.V-254053MEDIUMThe Juniper perimeter router must be configured to drop fragmented IPv6 packets where the first fragment does not include the entire IPv6 header chain.V-254054MEDIUMThe Juniper perimeter router must be configured drop IPv6 packets with a Routing Header type 0, 1, or 3255.V-254055MEDIUMThe Juniper perimeter router must be configured to drop IPv6 packets containing a Hop-by-Hop header with invalid option type values.V-254056MEDIUMThe Juniper perimeter router must be configured to drop IPv6 packets containing a Destination Option header with invalid option type values.V-254057MEDIUMThe Juniper perimeter router must be configured to drop IPv6 packets containing an extension header with the Endpoint Identification option.V-254058MEDIUMThe Juniper perimeter router must be configured to drop IPv6 packets containing the NSAP address option within Destination Option header.V-254059MEDIUMThe Juniper 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-254060LOWThe Juniper BGP router must be configured to use its loopback address as the source address for iBGP peering sessions.V-254061LOWThe Juniper MPLS router must be configured to use its loopback address as the source address for LDP peering sessions.V-254062LOWThe Juniper 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-254063MEDIUMThe Juniper MPLS router must be configured to have TTL Propagation disabled.V-254064HIGHThe Juniper 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-254065HIGHThe Juniper PE router must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).V-254066MEDIUMThe Juniper PE router must be configured to have each VRF with the appropriate Route Distinguisher (RD).V-254067HIGHThe Juniper 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-254068HIGHThe Juniper 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-254069LOWThe Juniper PE router must be configured to enforce the split-horizon rule for all pseudowires within a Virtual Private LAN Services (VPLS) bridge domain.V-254070LOWThe Juniper Multicast Source Discovery Protocol (MSDP) router must be configured to use its loopback address as the source address when originating MSDP traffic.V-254071LOWThe Juniper router must be configured to advertise a hop limit of at least 32 in Router Advertisement messages for IPv6 stateless auto-configuration deployments.V-254072MEDIUMThe Juniper router must not be configured to use IPv6 Site Local Unicast addresses.V-254073MEDIUMThe Juniper perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.V-254074MEDIUMThe Juniper router must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.