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Outgoing secure channel traffic must be signed when possible.


Overview

Finding ID Version Rule ID IA Controls Severity
WN12-SO-000014 WN12-SO-000014 WN12-SO-000014_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.
STIG Date
Microsoft Windows Server 2012 Domain Controller Security Technical Implementation Guide 2013-07-25

Details

Check Text ( C-WN12-SO-000014_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: 1

If the value for "Domain Member: Digitally encrypt or sign secure channel data (always)" is set to "Enabled", this can be NA (see V-6831).
Fix Text (F-WN12-SO-000014_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".