I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000191-RTR-000081
Group -
The Arista Multilayer Switch must ensure all Exterior Border Gateway Protocol (eBGP) routers are configured to use Generalized TTL Security Mechanism (GTSM) or are configured to meet RFC3682.
As described in RFC 3682, Generalized TTL Security Mechanism (GTSM) is designed to protect a router's IP-based control plane from DoS attacks. Many attacks focused on CPU load and line-card overloa...Rule Medium Severity -
SRG-NET-000362-RTR-000110
Group -
The Arista Multilayer Switch must manage excess bandwidth to limit the effects of packet flooding types of denial of service (DoS) attacks.
Denial of service is a condition when a resource is not available for legitimate users. Packet flooding DDoS attacks are referred to as volumetric attacks and have the objective of overloading a ne...Rule Medium Severity -
SRG-NET-000512-RTR-000012
Group -
The Arista Multilayer Switch must configure the maximum hop limit value to at least 32.
The Neighbor Discovery protocol allows a hop limit value to be advertised by routers in a Router Advertisement message to be used by hosts instead of the standardized default value. If a very small...Rule Medium Severity -
SRG-NET-000364-RTR-000109
Group -
The Arista Multilayer Switch must only allow incoming communications from authorized sources to be routed to authorized destinations.
Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Additionally, unrestricted traffic may transit a network, which uses bandwidth a...Rule Medium Severity -
SRG-NET-000168-RTR-000077
Group -
The Arista Multilayer Switch must not enable the RIP routing protocol.
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
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