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II - Mission Support Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000362

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  • The layer 2 switch must have Unknown Unicast Flood Blocking (UUFB) 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

    Group
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  • The layer 2 switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.

    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 DHCP servers are ...
    Rule Medium Severity
    Show

  • SRG-NET-000362

    Group
    Show

  • The layer 2 switch must have IP Source Guard enabled on all user-facing or untrusted access switch ports.

    IP Source Guard provides source IP address filtering on a Layer 2 port to prevent a malicious host from impersonating a legitimate host by assuming the legitimate host's IP address. The feature use...
    Rule Medium Severity
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  • SRG-NET-000362

    Group
    Show

  • The layer 2 switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.

    DAI intercepts Address Resolution Protocol (ARP) requests and verifies that each of these packets has a valid IP-to-MAC address binding before updating the local ARP cache and before forwarding the...
    Rule Medium Severity
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  • SRG-NET-000512

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

    A traffic storm occurs when packets flood a LAN, creating excessive traffic and degrading network performance. Traffic storm control prevents network disruption by suppressing ingress traffic when ...
    Rule Low 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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