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


Overview

Finding ID Version Rule ID IA Controls Severity
V-73601 WN16-CC-000540 SV-88265r1_rule Medium
Description
Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this. Satisfies: SRG-OS-000393-GPOS-00173, SRG-OS-000394-GPOS-00174
STIG Date
Windows Server 2016 Security Technical Implementation Guide 2017-05-18

Details

Check Text ( C-73683r1_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\WinRM\Service\

Value Name: AllowUnencryptedTraffic

Type: REG_DWORD
Value: 0x00000000 (0)
Fix Text (F-80051r1_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Service >> "Allow unencrypted traffic" to "Disabled".