Disable: 'Allow unencrypted traffic' This policy setting allows you to manage whether the Windows Remote Management (WinRM) client sends and receives unencrypted messages over the network. If you enable this policy setting, the WinRM client sends and receives unencrypted messages over the network. If you disable or do not configure this policy setting, the WinRM client sends or receives only encrypted messages over the network. Counter Measure: Disable this policy setting in order to prevent WinRM from using unencrypted network traffic. Potential Impact: If you enable this policy setting, the WinRM client sends and receives unencrypted messages over the network. If you disable or do not configure this policy setting, the WinRM client sends or receives only encrypted messages over the network."

[enable/disable]

(1) GPO: Computer ConfigurationAdministrative TemplatesWindows ComponentsWindows Remote Management (WinRM)WinRM ClientAllow unencrypted traffic (2) REG: HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsWinRMClientAllowUnencryptedTraffic