Cisco IOS XE Router RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco 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 Cisco perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
<VulnDiscussion>Many of the known attacks in stateless autoconfiguration are defined in RFC 3756 were present in IPv4 ARP attacks. To mitigat...Rule Medium Severity -
SRG-NET-000364-RTR-000200
<GroupDescription></GroupDescription>Group -
The Cisco BGP router must be configured to enable the Generalized TTL Security Mechanism (GTSM).
<VulnDiscussion>As described in RFC 3682, GTSM is designed to protect a router's IP-based control plane from denial of service (DoS) attacks....Rule Low Severity
Node 2
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