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XCCDF
Cisco IOS Switch RTR Security Technical Implementation Guide
SRG-NET-000019-RTR-000004
SRG-NET-000019-RTR-000004
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-NET-000019-RTR-000004
1 Rule
<GroupDescription></GroupDescription>
The Cisco multicast switch must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
Medium Severity
<VulnDiscussion>PIM is a routing protocol used to build multicast distribution trees for forwarding multicast traffic across the network infrastructure. PIM traffic must be limited to only known PIM neighbors by configuring and binding a PIM neighbor filter to interfaces that have PIM enabled. If a PIM neighbor filter is not applied to interfaces that have PIM enabled, unauthorized switches can join the PIM domain, discover and use the rendezvous points, and advertise their rendezvous points into the domain. This can result in a denial of service by traffic flooding or in the unauthorized transfer of data.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>