II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000193-RTR-000112
<GroupDescription></GroupDescription>Group -
The Cisco switch must be configured to enforce a Quality-of-Service (QoS) policy to limit the effects of packet flooding denial-of-service (DoS) attacks.
<VulnDiscussion>DoS is a condition when a resource is not available for legitimate users. Packet flooding distributed denial-of-service (DDoS...Rule Medium Severity -
SRG-NET-000019-RTR-000003
<GroupDescription></GroupDescription>Group -
The Cisco multicast switch must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
<VulnDiscussion>If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or ...Rule Medium Severity -
SRG-NET-000019-RTR-000004
<GroupDescription></GroupDescription>Group -
The Cisco multicast switch must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
<VulnDiscussion>PIM is a routing protocol used to build multicast distribution trees for forwarding multicast traffic across the network infr...Rule Medium Severity -
SRG-NET-000019-RTR-000005
<GroupDescription></GroupDescription>Group -
The Cisco multicast edge switch must be configured to establish boundaries for administratively scoped multicast traffic.
<VulnDiscussion>If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or ...Rule Low Severity -
SRG-NET-000364-RTR-000114
<GroupDescription></GroupDescription>Group -
The Cisco multicast Designated switch (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join only 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 (i.e., so...Rule Low Severity -
SRG-NET-000364-RTR-000115
<GroupDescription></GroupDescription>Group -
The Cisco multicast Designated switch (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join a multicast group only from sources 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 (i.e., so...Rule Medium Severity -
SRG-NET-000362-RTR-000122
<GroupDescription></GroupDescription>Group -
The Cisco multicast Designated switch (DR) must be configured to limit the number of mroute states resulting from Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Host Membership Reports.
<VulnDiscussion>The current multicast paradigm can let any host join any multicast group at any time by sending an IGMP or MLD membership rep...Rule Medium Severity -
SRG-NET-000362-RTR-000123
<GroupDescription></GroupDescription>Group -
The Cisco multicast Designated switch (DR) must be configured to set the shortest-path tree (SPT) threshold to infinity to minimalize source-group (S, G) state within the multicast topology where Any Source Multicast (ASM) is deployed.
<VulnDiscussion>ASM can have many sources for the same groups (many-to-many). For many receivers, the path via the RP may not be ideal compar...Rule Medium Severity -
SRG-NET-000205-RTR-000014
<GroupDescription></GroupDescription>Group -
The Cisco perimeter 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 (uRPF).
<VulnDiscussion>A compromised host in an enclave can be used by a malicious platform to launch cyberattacks on third parties. This is a commo...Rule High Severity -
SRG-NET-000205-RTR-000015
<GroupDescription></GroupDescription>Group -
The Cisco perimeter switch must be configured to block all packets with any IP options.
<VulnDiscussion>Packets with IP options are not fast switched and henceforth must be punted to the switch processor. Hackers who initiate den...Rule Medium Severity
Node 2
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