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WN11-CC-000350 The Windows Remote Management (WinRM) service must not allow unencrypted traffic.

DISA STIG library V2R11
All changes in this version
first version loaded CAT II

Maps to MA-4(6) via CCI-003123

Title

The Windows Remote Management (WinRM) service must not allow unencrypted traffic.

Control

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\WinRM\Service\ Value Name: AllowUnencryptedTraffic Value Type: REG_DWORD Value: 0

Discussion

Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this.

Related controls

CCI-003123

Fix

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Service >> "Allow unencrypted traffic" to "Disabled".