Check: WN12-CC-000100
Microsoft Windows Server 2012/2012 R2 Member Server STIG:
WN12-CC-000100
(in versions v3 r7 through v2 r7)
Title
Remote Desktop Services must be configured with the client connection encryption set to the required level. (Cat II impact)
Discussion
Remote connections must be encrypted to prevent interception of data or sensitive information. Selecting "High Level" will ensure encryption of Remote Desktop Services sessions in both directions.
Check Content
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: MinEncryptionLevel Type: REG_DWORD Value: 3
Fix Text
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Security -> "Set client connection encryption level" to "Enabled" and "High Level".
Additional Identifiers
Rule ID: SV-225382r877398_rule
Vulnerability ID: V-225382
Group Title: SRG-OS-000033-GPOS-00014
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-000068 |
The information system implements cryptographic mechanisms to protect the confidentiality of remote access sessions. |
| CCI-002890 |
The information system implements cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications. |