Juniper EX Series Switches Router Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000205-RTR-000014
<GroupDescription></GroupDescription>Group -
The 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).
<VulnDiscussion>A compromised host in an enclave can be used by a malicious platform to launch cyberattacks on third parties. This is a commo...Rule High Severity -
SRG-NET-000205-RTR-000015
<GroupDescription></GroupDescription>Group -
The Juniper perimeter router must be configured to block all packets with any IP options.
<VulnDiscussion>Packets with IP options are not fast switched and must be punted to the route engine (RE). Hackers who initiate denial-of-ser...Rule Medium Severity -
SRG-NET-000205-RTR-000016
<GroupDescription></GroupDescription>Group -
The Juniper PE router must be configured to ignore or block all packets with any IP options.
<VulnDiscussion>Packets with IP options are not fast switched and, therefore, must be punted to the route engine (RE). Hackers who initiate d...Rule Medium Severity -
SRG-NET-000230-RTR-000001
<GroupDescription></GroupDescription>Group -
The Juniper router must be configured to implement message authentication for all control plane protocols.
<VulnDiscussion>A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...Rule Medium Severity -
SRG-NET-000230-RTR-000002
<GroupDescription></GroupDescription>Group -
The Juniper BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
<VulnDiscussion>If the same keys are used between eBGP neighbors, the chance of a hacker compromising any of the BGP sessions increases. It i...Rule Medium Severity -
SRG-NET-000230-RTR-000003
<GroupDescription></GroupDescription>Group -
The Juniper router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
<VulnDiscussion>If the keys used for routing protocol authentication are guessed, the malicious user could create havoc within the network by...Rule Medium Severity -
SRG-NET-000343-RTR-000001
<GroupDescription></GroupDescription>Group -
The 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.
<VulnDiscussion>Label Distribution Protocol (LDP) provides the signaling required for setting up and tearing down pseudowires (virtual circui...Rule Medium Severity -
SRG-NET-000343-RTR-000002
<GroupDescription></GroupDescription>Group -
The Juniper Multicast Source Discovery Protocol (MSDP) router must be configured to authenticate all received MSDP packets.
<VulnDiscussion>MSDP peering with customer network routers presents additional risks to the core, whether from a rogue or misconfigured MSDP-...Rule Medium Severity -
SRG-NET-000362-RTR-000109
<GroupDescription></GroupDescription>Group -
The Juniper router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
<VulnDiscussion>Network devices configured via a zero-touch deployment or auto-loading feature can have their startup configuration or image ...Rule Medium Severity -
SRG-NET-000362-RTR-000110
<GroupDescription></GroupDescription>Group -
The Juniper router must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.
<VulnDiscussion>The Routing Engine (RE) is critical to all network operations because it is the component used to build all forwarding paths ...Rule Medium Severity
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