Windows Peer-to-Peer Networking Services must be turned off.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-CC-000003	WN12-CC-000003	WN12-CC-000003_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 Domain Controller Security Technical Implementation Guide	2013-07-25

Details

Check Text ( C-WN12-CC-000003_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-WN12-CC-000003_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".