Microsoft Windows Server 2022

Windows Server 2022 Remote Desktop Services must be configured with the client connection encryption set to High Level

STIG ID: WN22-CC-000380 | SRG: SRG-OS-000033-GPOS-00014 | Severity: Medium | CCI: CCI-000068,CCI-001453 | Vulnerability ID: V-254369

Description

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.Satisfies: SRG-OS-000033-GPOS-00014, SRG-OS-000250-GPOS-00093

Check

C-57854r848921_chk

If the following registry value does not exist or is not configured as specified, this is a finding:Registry Hive: HKEY_LOCAL_MACHINERegistry Path: \SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Value Name: MinEncryptionLevelType: REG_DWORDValue: 0x00000003 (3)

Fix

F-57805r848922_fix

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" with "High Level" selected.