I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000018-RTR-000001
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must enforce information flow control using explicit security attributes (for example, IP addresses, port numbers, protocol, Autonomous System, or interface) on information, source, and destination objects.
<VulnDiscussion>Information flow control regulates where information is allowed to travel within a network and between interconnected network...Rule Medium Severity -
SRG-NET-000025-RTR-000020
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must enable neighbor router authentication for control plane protocols except RIP.
<VulnDiscussion>A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...Rule Medium Severity -
SRG-NET-000026-RTR-000031
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch 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.
<VulnDiscussion>A compromised host in an enclave can be used by a malicious actor as a platform to launch cyber attacks on third parties. Thi...Rule Medium Severity -
SRG-NET-000131-RTR-000035
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must be configured to disable non-essential capabilities.
<VulnDiscussion>A compromised router introduces risk to the entire network infrastructure as well as data resources that are accessible via t...Rule Medium Severity -
SRG-NET-000168-RTR-000077
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must encrypt all methods of configured authentication for the OSPF routing protocol.
<VulnDiscussion>A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...Rule Medium Severity -
SRG-NET-000191-RTR-000081
<GroupDescription></GroupDescription>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.
<VulnDiscussion>As described in RFC 3682, Generalized TTL Security Mechanism (GTSM) is designed to protect a router's IP-based control plane ...Rule Medium Severity -
SRG-NET-000362-RTR-000110
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must manage excess bandwidth to limit the effects of packet flooding types of denial of service (DoS) attacks.
<VulnDiscussion>Denial of service is a condition when a resource is not available for legitimate users. Packet flooding DDoS attacks are refe...Rule Medium Severity -
SRG-NET-000512-RTR-000012
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must configure the maximum hop limit value to at least 32.
<VulnDiscussion>The Neighbor Discovery protocol allows a hop limit value to be advertised by routers in a Router Advertisement message to be ...Rule Medium Severity -
SRG-NET-000364-RTR-000109
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must only allow incoming communications from authorized sources to be routed to authorized destinations.
<VulnDiscussion>Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Addition...Rule Medium Severity -
SRG-NET-000168-RTR-000077
<GroupDescription></GroupDescription>Group -
The Arista Multilayer Switch must not enable the RIP routing protocol.
<VulnDiscussion>A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...Rule Medium Severity
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