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II - Mission Support Sensitive

Rules and Groups employed by this XCCDF Profile

  • 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.

    &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

    <GroupDescription></GroupDescription>
    Group
  • The layer 2 switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.

    &lt;VulnDiscussion&gt;DAI intercepts Address Resolution Protocol (ARP) requests and verifies that each of these packets has a valid IP-to-MAC addre...
    Rule Medium Severity

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