II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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NET2012
<GroupDescription></GroupDescription>Group -
Multicast register messages must be rate limited per each source-group (S, G) entry.
<VulnDiscussion>When a new source starts transmitting in a PIM Sparse Mode network, the DR will encapsulate the multicast packets into regist...Rule Medium Severity -
NET2013
<GroupDescription></GroupDescription>Group -
Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) report messages must be filtered to allow hosts to join only those multicast groups that have been approved by the organization.
<VulnDiscussion>Real-time multicast traffic can entail multiple large flows of data. Large unicast flows tend to be fairly isolated (e.g., so...Rule Low Severity -
NET2014
<GroupDescription></GroupDescription>Group -
The number of mroute states resulting from Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) membership reports must be limited.
<VulnDiscussion>The current multicast paradigm can let any host join any multicast group at any time by sending an Internet Group Management ...Rule Medium Severity -
NET2015
<GroupDescription></GroupDescription>Group -
The number of source-group (SG) states must be limited within the multicast topology where Any Source Multicast (ASM) is deployed.
<VulnDiscussion>Any Source Multicast (ASM) can have many sources for the same groups (many-to-many). For many receivers, the path via the Ren...Rule Medium Severity -
NET2016
<GroupDescription></GroupDescription>Group -
Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) snooping must be implemented within the network access layer.
<VulnDiscussion>The last-hop router sends the multicast packet out the interface towards the LAN containing interested receivers. The default...Rule Low Severity -
NET2017
<GroupDescription></GroupDescription>Group -
First-hop redundancy services must be configured to delay any preempt to provide enough time for the Internet Gateway Protocol (IGP) to stabilize.
<VulnDiscussion>The Layer 2 connection between the nodes providing first-hop redundancy comes up quickly. If the preemption takes effect prio...Rule Low Severity
Node 2
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