Microsoft Windows Server 2019

Windows Server 2019 setting Domain member: Digitally encrypt secure channel data (when possible) must be configured to enabled

STIG ID: WN19-SO-000070 |   SRG: SRG-OS-000423-GPOS-00187 |   Severity: Medium |   CCI: CCI-002418,CCI-002421 |   Vulnerability ID: V-205822

Description

Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not all information is encrypted. If this policy is enabled, outgoing secure channel traffic will be encrypted.Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188

Check

C-6087r355828_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: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\Value Name: SealSecureChannelValue Type: REG_DWORDValue: 0x00000001 (1)

Fix

F-6087r355829_fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Digitally encrypt secure channel data (when possible)" to "Enabled".