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III - Administrative Public

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000362-L2S-000023

    <GroupDescription></GroupDescription>
    Group
  • The Cisco switch must have Spanning Tree Protocol (STP) Loop Guard enabled.

    &lt;VulnDiscussion&gt;The STP loop guard feature provides additional protection against STP loops. An STP loop is created when an STP blocking port...
    Rule Medium Severity
  • SRG-NET-000362-L2S-000024

    <GroupDescription></GroupDescription>
    Group
  • The Cisco switch must have Unknown Unicast Flood Blocking (UUFB) enabled.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;In an enterprise network, devices under administrative control are trusted sources. These devices include the switches, route...
    Rule Medium Severity
  • SRG-NET-000362-L2S-000026

    <GroupDescription></GroupDescription>
    Group
  • The Cisco switch must have IP Source Guard enabled on all user-facing or untrusted access switch ports.

    &lt;VulnDiscussion&gt;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-L2S-000027

    <GroupDescription></GroupDescription>
    Group
  • The Cisco switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.

    &lt;VulnDiscussion&gt;DAI intercepts ARP requests and verifies that each of these packets has a valid IP-to-MAC address binding before updating the...
    Rule Medium Severity

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