Juniper Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000018-RTR-000003
Group -
SRG-NET-000018-RTR-000001
Group -
SRG-NET-000230-RTR-000001
Group -
SRG-NET-000230-RTR-000003
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The Juniper router must be configured to use keys with a duration not exceeding 180 days for authenticating routing protocol messages.
If the keys used for routing protocol authentication are guessed, the malicious user could create havoc within the network by advertising incorrect routes and redirecting traffic. Some routing prot...Rule Medium Severity -
SRG-NET-000168-RTR-000077
Group -
The Juniper router must be configured to use encryption for routing protocol authentication.
A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect or even a rogue destination. This diverted traffic could be analyzed to l...Rule Medium Severity -
SRG-NET-000168-RTR-000078
Group -
The Juniper router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 140-2 message authentication code algorithm.
A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect or even a rogue destination. This diverted traffic could be analyzed to l...Rule Medium Severity -
SRG-NET-000019-RTR-000007
Group -
SRG-NET-000131-RTR-000035
Group -
The Juniper router must be configured to have all non-essential capabilities disabled.
A compromised router introduces risk to the entire network infrastructure, as well as data resources that are accessible via the network. The perimeter defense has no oversight or control of attack...Rule Low Severity -
SRG-NET-000362-RTR-000110
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The Juniper router must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.
The Routing Engine (RE) is critical to all network operations because it is the component used to build all forwarding paths for the data plane via control plane processes. It is also instrumental ...Rule Medium Severity -
SRG-NET-000205-RTR-000001
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The Juniper router must be configured to restrict traffic destined to itself.
The Routing Engine handles traffic destined to the router—the key component used to build forwarding paths and is instrumental with all network management functions. Hence, any disruption or DoS at...Rule High Severity -
SRG-NET-000205-RTR-000002
Group -
The Juniper router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
Fragmented ICMP packets can be generated by hackers for DoS attacks such as Ping O' Death and Teardrop. It is imperative that all fragmented ICMP packets are dropped.Rule Medium Severity -
SRG-NET-000362-RTR-000111
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SRG-NET-000362-RTR-000113
Group -
The Juniper router must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ICMP messages under a wide variety of conditions. Host unreachable ICMP ...Rule Medium Severity -
SRG-NET-000362-RTR-000114
Group -
SRG-NET-000362-RTR-000115
Group -
The Juniper router must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ICMP messages under a wide variety of conditions. Redirect ICMP messages...Rule Medium Severity -
SRG-NET-000078-RTR-000001
Group -
The Juniper router must be configured to log all packets that have been dropped.
Auditing and logging are key components of any security architecture. It is essential for security personnel to know what is being done or attempted to be done, and by whom, to compile an accurate ...Rule Low Severity -
SRG-NET-000076-RTR-000001
Group -
SRG-NET-000077-RTR-000001
Group -
The Juniper router must be configured to produce audit records containing information to establish the source of the events.
Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. In order to compile an accurate risk assessmen...Rule Medium Severity -
SRG-NET-000019-RTR-000001
Group -
SRG-NET-000202-RTR-000001
Group -
The Juniper perimeter router must be configured to deny network traffic by default and allow network traffic by exception.
A deny-all, permit-by-exception network communications traffic policy ensures that only connections that are essential and approved are allowed. This requirement applies to both inbound and outbou...Rule High Severity -
SRG-NET-000019-RTR-000002
Group -
The Juniper perimeter router must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
Information flow control regulates authorized information to travel within a network and between interconnected networks. Controlling the flow of network traffic is critical so it does not introduc...Rule Medium Severity -
SRG-NET-000364-RTR-000109
Group -
SRG-NET-000364-RTR-000110
Group -
The Juniper perimeter router must be configured to block inbound packets with source Bogon IP address prefixes.
Packets with Bogon IP source addresses should never be allowed to traverse the IP core. Bogon IP networks are RFC1918 addresses or address blocks that have never been assigned by the IANA or have b...Rule Medium Severity -
SRG-NET-000019-RTR-000008
Group -
SRG-NET-000019-RTR-000009
Group -
The Juniper perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an approved gateway service provider.
Internet service providers (ISPs) use BGP to share route information with other autonomous systems (i.e., other ISPs and corporate networks). If the perimeter router was configured to BGP peer with...Rule High Severity -
SRG-NET-000019-RTR-000010
Group -
The Juniper perimeter router must be configured to not redistribute static routes to an alternate gateway service provider into BGP or an IGP peering with the NIPRNet or to other autonomous systems.
If the static routes to the alternate gateway are being redistributed into an Exterior Gateway Protocol or Interior Gateway Protocol to a NIPRNet gateway, this could make traffic on NIPRNet flow to...Rule Low Severity -
SRG-NET-000205-RTR-000014
Group -
SRG-NET-000205-RTR-000003
Group -
The Juniper perimeter router must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
Vulnerability assessments must be reviewed by the System Administrator, and protocols must be approved by the Information Assurance (IA) staff before entering the enclave. Access control lists (AC...Rule Medium Severity -
SRG-NET-000205-RTR-000004
Group -
The Juniper perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
Access lists are used to separate data traffic into that which it will route (permitted packets) and that which it will not route (denied packets). Secure configuration of routers makes use of acce...Rule Medium Severity -
SRG-NET-000205-RTR-000005
Group -
SRG-NET-000205-RTR-000015
Group -
SRG-NET-000364-RTR-000111
Group
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