Network – Mapper I/O Driver

From Windows 2008 Member Server Security Technical Implementation Guide

Part of Network – Mapper I/O Driver

Associated with: CCI-000381

SV-29561r1_rule Network – Mapper I/O Driver

Vulnerability discussion

This check verifies that the Mapper I/O network protocol driver is disabled.

Check content

If the following registry values don’t exist or are not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\Windows\LLTD\ Value Name: AllowLLTDIOOndomain Value Name: AllowLLTDIOOnPublicNet Value Name: EnableLLTDIO Value Name: ProhibitLLTDIOOnPrivateNet Type: REG_DWORD Value: 0

Fix text

Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Link-Layer Topology Discovery “Turn on Mapper I/O (LLTDIO) driver” to “Disabled”.

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