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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000362

    <GroupDescription></GroupDescription>
    Group
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  • The layer 2 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
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  • SRG-NET-000362

    <GroupDescription></GroupDescription>
    Group
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  • The layer 2 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
    Show

  • SRG-NET-000362

    <GroupDescription></GroupDescription>
    Group
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  • 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
    Show

  • SRG-NET-000362

    <GroupDescription></GroupDescription>
    Group
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  • 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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  • SRG-NET-000512

    <GroupDescription></GroupDescription>
    Group
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  • The layer 2 switch must have Storm Control configured on all host-facing switch ports.

    &lt;VulnDiscussion&gt;A traffic storm occurs when packets flood a LAN, creating excessive traffic and degrading network performance. Traffic storm ...
    Rule Low Severity
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  • SRG-NET-000512

    <GroupDescription></GroupDescription>
    Group
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  • The layer 2 switch must have IGMP or MLD Snooping configured on all VLANs

    &lt;VulnDiscussion&gt;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
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  • SRG-NET-000512

    <GroupDescription></GroupDescription>
    Group
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  • The layer 2 switch must implement Rapid STP where VLANs span multiple switches with redundant links.

    &lt;VulnDiscussion&gt;Spanning Tree Protocol (STP) is implemented on bridges and switches to prevent layer 2 loops when a broadcast domain spans mu...
    Rule Medium Severity
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  • SRG-NET-000512

    <GroupDescription></GroupDescription>
    Group
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  • The layer 2 switch must enable Unidirectional Link Detection (UDLD) to protect against one-way connections.

    &lt;VulnDiscussion&gt;In topologies where fiber optic interconnections are used, physical misconnections can occur that allow a link to appear to b...
    Rule Medium Severity
    Show

  • SRG-NET-000512

    <GroupDescription></GroupDescription>
    Group
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  • The layer 2 switch must have all trunk links enabled statically.

    &lt;VulnDiscussion&gt;When trunk negotiation is enabled via Dynamic Trunk Protocol (DTP), considerable time can be spent negotiating trunk settings...
    Rule Medium Severity
    Show

  • SRG-NET-000512

    <GroupDescription></GroupDescription>
    Group
    Show

  • The layer 2 switch must have all disabled switch ports assigned to an unused VLAN.

    &lt;VulnDiscussion&gt;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
    Show

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siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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