Cisco IOS XE Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000205-RTR-000010
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SRG-NET-000019-RTR-000011
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The Cisco out-of-band management (OOBM) gateway router must be configured to have separate Interior Gateway Protocol (IGP) instances for the managed network and management network.
If the gateway router is not a dedicated device for the OOBM network, implementation of several safeguards for containment of management and production traffic boundaries must occur. Since the mana...Rule Medium Severity -
SRG-NET-000019-RTR-000012
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SRG-NET-000205-RTR-000011
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SRG-NET-000205-RTR-000012
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SRG-NET-000205-RTR-000013
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The Cisco router providing connectivity to the Network Operations Center (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-000018-RTR-000002
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The Cisco 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-000003
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SRG-NET-000018-RTR-000004
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SRG-NET-000018-RTR-000005
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SRG-NET-000205-RTR-000006
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SRG-NET-000018-RTR-000006
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SRG-NET-000018-RTR-000010
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SRG-NET-000362-RTR-000117
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SRG-NET-000362-RTR-000118
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The Cisco 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.
The effects of prefix de-aggregation can degrade router performance due to the size of routing tables and also result in black-holing legitimate traffic. Initiated by an attacker or a misconfigured...Rule Low Severity -
SRG-NET-000512-RTR-000001
Group
Node 2
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