The Responder network protocol driver must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-226136 | WN12-CC-000002 | SV-226136r794412_rule | Medium |
| Description |
|---|
| The Responder network protocol driver allows a computer to be discovered and located on a network. Disabling this helps protect the system from potentially being discovered and connected to by unauthorized devices. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide | 2022-03-01 |
Details
| Check Text ( C-27838r475731_chk ) |
|---|
| If the following registry values do not exist or are not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Microsoft\Windows\LLTD\ Value Name: AllowRspndrOndomain Value Name: AllowRspndrOnPublicNet Value Name: EnableRspndr Value Name: ProhibitRspndrOnPrivateNet Type: REG_DWORD Value: 0 |
| Fix Text (F-27826r475732_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Link-Layer Topology Discovery -> "Turn on Responder (RSPNDR) driver" to "Disabled". |