Juniper Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000019-RTR-000012
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The Juniper 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.
If the gateway router is not a dedicated device for the OOBM network, several safeguards must be implemented for containment of management and production traffic boundaries; otherwise, it is possib...Rule Medium Severity -
SRG-NET-000205-RTR-000011
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The 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.
If the gateway router is not a dedicated device for the OOBM network, several safeguards must be implemented for containment of management and production traffic boundaries. It is imperative that h...Rule Medium Severity -
SRG-NET-000205-RTR-000012
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SRG-NET-000205-RTR-000013
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The Juniper router providing connectivity to the NOC must be configured to forward all in-band management traffic via an IPsec tunnel.
When the production network is managed in-band, the management network could be housed at a NOC that is located remotely at single or multiple interconnected sites. NOC interconnectivity, as well a...Rule Medium Severity -
SRG-NET-000362-RTR-000124
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The Juniper BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).
GTSM is designed to protect a router's IP-based control plane from DoS attacks. Many attacks focused on CPU load and line-card overload can be prevented by implementing GTSM on all Exterior Border ...Rule Low Severity -
SRG-NET-000230-RTR-000002
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The Juniper BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
If the same keys are used between eBGP neighbors, the chance of a hacker compromising any of the BGP sessions increases. It is possible that a malicious user exists in one autonomous system who wou...Rule Medium Severity -
SRG-NET-000018-RTR-000002
Group -
The Juniper BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
Accepting route advertisements for Bogon prefixes can result in the local autonomous system (AS) becoming a transit for malicious traffic as it will in turn advertise these prefixes to neighbor aut...Rule Medium Severity -
SRG-NET-000018-RTR-000004
Group -
SRG-NET-000018-RTR-000005
Group -
The 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).
Advertisement of routes by an autonomous system for networks that do not belong to any of its customers pulls traffic away from the authorized network. This causes a denial of service (DoS) on the ...Rule Medium Severity -
SRG-NET-000205-RTR-000006
Group -
SRG-NET-000018-RTR-000006
Group -
The 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.
Verifying the path a route has traversed will ensure the IP core is not used as a transit network for unauthorized or possibly even Internet traffic. All autonomous system boundary routers (ASBRs) ...Rule Low Severity -
SRG-NET-000018-RTR-000010
Group
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