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Windows Peer-to-Peer networking services must be turned off.


Overview

Finding ID Version Rule ID IA Controls Severity
V-226137 WN12-CC-000003 SV-226137r794413_rule Medium
Description
Peer-to-Peer applications can allow unauthorized access to a system and exposure of sensitive data. This setting will turn off the Microsoft Peer-to-Peer Networking Service.
STIG Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-27839r475734_chk )
If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Microsoft\Peernet\

Value Name: Disabled

Type: REG_DWORD
Value: 1
Fix Text (F-27827r475735_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Microsoft Peer-to-Peer Networking Services -> "Turn off Microsoft Peer-to-Peer Networking Services" to "Enabled".