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III - Administrative Public

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000512-L2S-000003

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  • If STP is used, the Juniper EX switch must be configured to implement Rapid STP, or Multiple STP, where VLANs span multiple switches with redundant links.

    Spanning Tree Protocol (STP) is implemented on bridges and switches to prevent layer 2 loops when a broadcast domain spans multiple bridges and switches and when redundant links are provisioned to ...
    Rule Medium Severity
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  • SRG-NET-000512-L2S-000004

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  • The Juniper EX switch must be configured to verify two-way connectivity on all interswitch trunked interfaces.

    In topologies where fiber optic interconnections are used, physical misconnections can occur that allow a link to appear to be up when there is a mismatched set of transmit/receive pairs. When such...
    Rule Medium Severity
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  • SRG-NET-000512-L2S-000007

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  • The Juniper EX switch must be configured to assign all disabled access interfaces to an unused VLAN.

    It is possible that a disabled access interface that is assigned to a user or management VLAN becomes enabled by accident or by an attacker and as a result gains access to that VLAN as a member.
    Rule Medium Severity
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  • SRG-NET-000512-L2S-000008

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  • The Juniper EX switch must not be configured with VLANs used for L2 control traffic assigned to any host-facing access interface.

    In a switched Ethernet network, some protocols use L2 Protocol Data Units (PDU) to communicate in-band management or other control information. This control traffic is inappropriate for host-facing...
    Rule Medium Severity
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  • SRG-NET-000512-L2S-000009

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  • The Juniper EX switch must be configured to prune the default VLAN from all trunked interfaces that do not require it.

    All unassigned interfaces are placed into the default VLAN and devices connected to enabled, but unassigned interfaces can communicate within that VLAN. Although the default VLAN is not automatical...
    Rule Medium Severity
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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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