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Cisco NX OS Switch L2S Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Cisco switch must have the native VLAN assigned to an ID other than the default VLAN for all 802.1q trunk links.

    <VulnDiscussion>VLAN hopping can be initiated by an attacker who has access to a switch port belonging to the same VLAN as the native VLAN of...
    Rule Medium Severity
    Show

  • SRG-NET-000512-L2S-000013

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must not have any switchports assigned to the native VLAN.

    &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 Low Severity
    Show

  • SRG-NET-000148-L2S-000015

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must uniquely identify all network-connected endpoint devices before establishing any connection.

    &lt;VulnDiscussion&gt;Controlling LAN access via 802.1x authentication can assist in preventing a malicious user from connecting an unauthorized PC...
    Rule High Severity
    Show

  • SRG-NET-000168-L2S-000019

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must authenticate all VLAN Trunk Protocol (VTP) messages with a hash function using the most secured cryptographic algorithm available.

    &lt;VulnDiscussion&gt;VLAN Trunk Protocol (VTP) provides central management of VLAN domains, thus reducing administration in a switched network. Wh...
    Rule Medium Severity
    Show

  • SRG-NET-000331-L2S-000001

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured for authorized users to select a user session to capture.

    &lt;VulnDiscussion&gt;Without the capability to select a user session to capture/record or view/hear, investigations into suspicious or harmful eve...
    Rule Medium Severity
    Show

  • SRG-NET-000332-L2S-000002

    <GroupDescription></GroupDescription>
    Group
    Show

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