III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000018-RTR-000001
Group -
The Cisco 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.
Information flow control regulates where information is allowed to travel within a network and between interconnected networks. The flow of all network traffic must be monitored and controlled so i...Rule Medium Severity -
SRG-NET-000168-RTR-000078
Group -
The Cisco router must be configured to enable routing protocol authentication using FIPS 198-1 algorithms with keys not exceeding 180 days of lifetime.
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 -
The Cisco router must be configured to have all inactive interfaces disabled.
An inactive interface is rarely monitored or controlled and may expose a network to an undetected attack on that interface. Unauthorized personnel with access to the communication facility could ga...Rule Low Severity -
SRG-NET-000131-RTR-000035
Group -
The Cisco 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-000205-RTR-000001
Group -
The Cisco router must be configured to restrict traffic destined to itself.
The route processor 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 a...Rule High Severity -
SRG-NET-000205-RTR-000002
Group -
The Cisco 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-000112
Group -
The Cisco router must be configured to have IP directed broadcast disabled on all interfaces.
An IP directed broadcast is a datagram sent to the broadcast address of a subnet that is not directly attached to the sending machine. The directed broadcast is routed through the network as a unic...Rule Low Severity -
SRG-NET-000362-RTR-000113
Group -
The Cisco 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 -
The Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply 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. Mask Reply ICMP messag...Rule Medium Severity -
SRG-NET-000362-RTR-000115
Group -
The Cisco 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
Node 2
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