I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000362-L2S-000021
<GroupDescription></GroupDescription>Group -
The Cisco switch must have Root Guard enabled on all switch ports connecting to access layer switches and hosts.
<VulnDiscussion>Spanning Tree Protocol (STP) does not provide any means for the network administrator to securely enforce the topology of the...Rule Low Severity -
SRG-NET-000362-L2S-000022
<GroupDescription></GroupDescription>Group -
The Cisco switch must have BPDU Guard enabled on all user-facing or untrusted access switch ports.
<VulnDiscussion>If a rogue switch is introduced into the topology and transmits a Bridge Protocol Data Unit (BPDU) with a lower bridge priori...Rule Medium Severity -
SRG-NET-000362-L2S-000023
<GroupDescription></GroupDescription>Group -
The Cisco switch must have STP Loop Guard enabled.
<VulnDiscussion>The Spanning Tree Protocol (STP) loop guard feature provides additional protection against STP loops. An STP loop is created ...Rule Medium Severity -
SRG-NET-000362-L2S-000024
<GroupDescription></GroupDescription>Group -
The Cisco 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-L2S-000025
<GroupDescription></GroupDescription>Group -
The Cisco 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
Node 2
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