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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000362-L2S-000021

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  • The HP FlexFabric Switch must have Root Guard enabled on all ports where the root bridge should not appear.

    Spanning Tree Protocol (STP) does not provide any means for the network administrator to securely enforce the topology of the switched network. Any switch can be the root bridge in a network. Howev...
    Rule Medium Severity
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  • SRG-NET-000362-L2S-000022

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  • The HP FlexFabric Switch must have BPDU Guard enabled on all user-facing access ports.

    If a rogue switch is introduced into the topology and transmits a Bridge Protocol Data Unit (BPDU) with a lower bridge priority than the existing root bridge, it will become the new root bridge and...
    Rule Medium Severity
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  • SRG-NET-000362-L2S-000023

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  • The HP FlexFabric Switch must have STP Loop Protection enabled all non-designated STP switch ports.

    The Spanning Tree Protocol (STP) loop Protection feature provides additional protection against STP loops. An STP loop is created when an STP blocking port in a redundant topology erroneously trans...
    Rule Medium Severity
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  • SRG-NET-000362-L2S-000024

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  • The HP FlexFabric Switch must have unknown storm-constrain enabled.

    Access layer switches use the Content Addressable Memory (CAM) table to direct traffic to specific ports based on the VLAN number and the destination MAC address of the frame. When a router has an ...
    Rule Medium Severity
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  • SRG-NET-000362-L2S-000025

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  • The HP FlexFabric Switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources as well as rate-limit DHCP traffic.

    In an enterprise network, devices under administrative control are trusted sources. These devices include the switches, routers, and servers in the network. Host ports and unknown Dynamic Host Conf...
    Rule Medium Severity
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