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


Overview

Finding ID Version Rule ID IA Controls Severity
V-73637 WN16-SO-000100 SV-88301r1_rule Medium
Description
Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but the channel is not integrity checked. If this policy is enabled, outgoing secure channel traffic will be signed. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188
STIG Date
Windows Server 2016 Security Technical Implementation Guide 2020-06-16

Details

Check Text ( C-73719r1_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: SignSecureChannel

Value Type: REG_DWORD
Value: 0x00000001 (1)
Fix Text (F-80087r1_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Digitally sign secure channel data (when possible)" to "Enabled".