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Cisco IOS Switch L2S Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000362-L2S-000025

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  • SRG-NET-000362-L2S-000026

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  • The Cisco 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-L2S-000027

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

    DAI intercepts 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 packet to the appropriate des...
    Rule Medium Severity
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