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The setting Domain member: Digitally encrypt secure channel data (when possible) must be configured to enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-225030 WN16-SO-000090 SV-225030r569186_rule Medium
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
STIG Date
Microsoft Windows Server 2016 Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-26721r465992_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: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\

Value Name: SealSecureChannel

Value Type: REG_DWORD
Value: 0x00000001 (1)
Fix Text (F-26709r465993_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".