Users must be prevented from mapping local LPT ports and redirecting data from the Remote Desktop Session Host to local LPT ports. (Remote Desktop Services Role).

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Users must be prevented from mapping local LPT ports and redirecting data from the Remote Desktop Session Host to local LPT ports. (Remote Desktop Services Role).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-15998	WN12-CC-000133	SV-52226r1_rule	ECSC-1	Medium

Description
Preventing the redirection of Remote Desktop session data to a client computer's LPT ports helps reduce possible exposure of sensitive data.

STIG	Date
Windows Server 2012 Domain Controller Security Technical Implementation Guide	2014-01-07

Details

Check Text ( C-46968r1_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\Windows NT\Terminal Services\ Value Name: fDisableLPT Type: REG_DWORD Value: 1

Fix Text (F-45244r2_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Device and Resource Redirection -> "Do not allow LPT port redirection" to "Enabled".