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Outgoing secure channel traffic must be encrypted when possible.


Overview

Finding ID Version Rule ID IA Controls Severity
V-220915 WN10-SO-000040 SV-220915r569187_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.
STIG Date
Microsoft Windows 10 Security Technical Implementation Guide 2022-04-08

Details

Check Text ( C-22630r555230_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: 1
Fix Text (F-22619r555231_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".