I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000019-RTR-000003
Group -
The Arista Multilayer Switch must disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or unintended personnel. Limiting where, within the network, a given multic...Rule Medium Severity -
SRG-NET-000019-RTR-000004
Group -
The Arista Multilayer Switch must bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
Protocol Independent Multicast (PIM) is a routing protocol used to build multicast distribution trees for forwarding multicast traffic across the network infrastructure. Protocol Independent Multic...Rule Medium Severity -
SRG-NET-000019-RTR-000005
Group -
The Arista Multilayer Switch must establish boundaries for IPv6 Admin-Local, IPv6 Site-Local, IPv6 Organization-Local scope, and IPv4 Local-Scope multicast traffic.
If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or unintended personnel. Administrative scoped multicast addresses are loc...Rule Medium Severity -
SRG-NET-000019-RTR-000007
Group -
The Arista Multilayer Switch must be configured so inactive router interfaces are 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 Medium Severity -
SRG-NET-000019-RTR-000009
Group -
The Arista Multilayer Switch must protect an enclave connected to an Alternate Gateway by using an inbound filter that only permits packets with destination addresses within the sites address space.
Enclaves with Alternate Gateway connections must take additional steps to ensure there is no compromise on the enclave network or NIPRNet. Without verifying the destination address of traffic comin...Rule Medium Severity -
SRG-NET-000019-RTR-000010
Group -
If Border Gateway Protocol (BGP) is enabled on The Arista Multilayer Switch, The Arista Multilayer Switch must not be a BGP peer with a router from an Autonomous System belonging to any Alternate Gateway.
The perimeter router will not use a routing protocol to advertise NIPRNet addresses to Alternate Gateways. Most ISPs use Border Gateway Protocol (BGP) to share route information with other autonomo...Rule Medium Severity -
SRG-NET-000019-RTR-000011
Group -
The Arista Multilayer Switch must not redistribute static routes to alternate gateway service provider into an Exterior Gateway Protocol or Interior Gateway Protocol to the NIPRNet or to other Autonomous System.
If the static routes to the alternate gateway are being redistributed into an Exterior Gateway Protocol or Interior Gateway Protocol to a NIPRNet gateway, this could make traffic on NIPRNet flow to...Rule Medium Severity -
SRG-NET-000019-RTR-000012
Group -
The Arista Multilayer Switch must enforce that Interior Gateway Protocol instances configured on the out-of-band management gateway router only peer with their own routing domain.
If the gateway router is not a dedicated device for the out-of-band management network, implementation of several safeguards for containment of management and production traffic boundaries must occ...Rule Medium Severity -
SRG-NET-000019-RTR-000013
Group -
The Arista Multilayer Switch must enforce that the managed network domain and the management network domain are separate routing domains and the Interior Gateway Protocol instances are not redistributed or advertised to each other.
If the gateway router is not a dedicated device for the out-of-band management network, several safeguards must be implemented for containment of management and production traffic boundaries; other...Rule Medium Severity -
SRG-NET-000019-RTR-000014
Group -
The Arista Multilayer Switch must enforce that any interface used for out-of-band management traffic is configured to be passive for the Interior Gateway Protocol that is utilized on that management interface.
The out-of-band management access switch will connect to the management interface of the managed network elements. The management interface can be a true out-of-band management interface or a stand...Rule Medium Severity
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