No profile (default benchmark)
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have Unknown Unicast Flood Blocking (UUFB) enabled.
<VulnDiscussion>Access layer switches use the Content Addressable Memory (CAM) table to direct traffic to specific ports based on the VLAN nu...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.
<VulnDiscussion>In an enterprise network, devices under administrative control are trusted sources. These devices include the switches, route...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have IP Source Guard enabled on all user-facing or untrusted access switch ports.
<VulnDiscussion>IP Source Guard provides source IP address filtering on a Layer 2 port to prevent a malicious host from impersonating a legit...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.
<VulnDiscussion>DAI intercepts Address Resolution Protocol (ARP) requests and verifies that each of these packets has a valid IP-to-MAC addre...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have Storm Control configured on all host-facing switch ports.
<VulnDiscussion>A traffic storm occurs when packets flood a LAN, creating excessive traffic and degrading network performance. Traffic storm ...Rule Low Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have IGMP or MLD Snooping configured on all VLANs
<VulnDiscussion>IGMP and MLD snooping provides a way to constrain multicast traffic at Layer 2. By monitoring the IGMP or MLD membership repo...Rule Low Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must implement Rapid STP where VLANs span multiple switches with redundant links.
<VulnDiscussion>Spanning Tree Protocol (STP) is implemented on bridges and switches to prevent layer 2 loops when a broadcast domain spans mu...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must enable Unidirectional Link Detection (UDLD) to protect against one-way connections.
<VulnDiscussion>In topologies where fiber optic interconnections are used, physical misconnections can occur that allow a link to appear to b...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have all trunk links enabled statically.
<VulnDiscussion>When trunk negotiation is enabled via Dynamic Trunk Protocol (DTP), considerable time can be spent negotiating trunk settings...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have all disabled switch ports assigned to an unused VLAN.
<VulnDiscussion>It is possible that a disabled port that is assigned to a user or management VLAN becomes enabled by accident or by an attack...Rule Medium Severity
Node 2
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