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Disable the Mapper I/O Driver.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-15696 | 5.200 | SV-25138r1_rule | ECSC-1 | Medium |
| Description |
|---|
| This check verifies that the Mapper I/O network protocol driver is disabled. |
| STIG | Date |
|---|---|
| Windows 7 Security Technical Implementation Guide | 2015-09-02 |
Details
| Check Text ( C-15384r1_chk ) |
|---|
| 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 (F-15588r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Link-Layer Topology Discovery “Turn on Mapper I/O (LLTDIO) driver” to “Disabled”. |