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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000362-L2S-000026

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric 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 HP FlexFabric Switch must have Dynamic 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
  • SRG-NET-000512-L2S-000003

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric 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
  • SRG-NET-000512-L2S-000004

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric Switch must enable Device Link Detection Protocol (DLDP) 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
  • SRG-NET-000512-L2S-000005

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric 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
  • SRG-NET-000512-L2S-000007

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric Switch must have all disabled switch ports assigned 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
  • SRG-NET-000512-L2S-000008

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric Switch must not have the default VLAN assigned to any host-facing switch ports.

    &lt;VulnDiscussion&gt;In a VLAN-based network, switches use the default VLAN (i.e., VLAN 1) for in-band management and to communicate with other ne...
    Rule Medium Severity
  • SRG-NET-000512-L2S-000009

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric Switch must have the default VLAN pruned from all trunk ports that do not require it.

    &lt;VulnDiscussion&gt;The default VLAN (i.e., VLAN 1) is a special VLAN used for control plane traffic such as Spanning-Tree Protocol (STP), Dynami...
    Rule Medium Severity
  • SRG-NET-000512-L2S-000010

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric Switch must not use the default VLAN for management traffic.

    &lt;VulnDiscussion&gt;Switches use the default VLAN (i.e., VLAN 1) for in-band management and to communicate with directly connected switches using...
    Rule Medium Severity
  • SRG-NET-000512-L2S-000011

    <GroupDescription></GroupDescription>
    Group
  • The HP FlexFabric Switch must have all user-facing or untrusted ports configured as access switch ports.

    &lt;VulnDiscussion&gt;Double encapsulation can be initiated by an attacker who has access to a switch port belonging to the native VLAN of the trun...
    Rule Medium Severity

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