Network – Mapper I/O Driver

From Windows 2008 Member Server Security Technical Implementation Guide

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”.

Pro Tips

Lavender hyperlinks in small type off to the right (of CSS class id, if you view the page source) point to globally unique URIs for each document and item. Copy the link location and paste anywhere you need to talk unambiguously about these things.

You can obtain data about documents and items in other formats. Simply provide an HTTP header Accept: text/turtle or Accept: application/rdf+xml.