Check: WN19-SO-000080
Microsoft Windows Server 2019 STIG:
WN19-SO-000080
(in versions v2 r9 through v1 r1)
Title
Windows Server 2019 setting Domain member: Digitally sign secure channel data (when possible) must be configured to Enabled. (Cat II impact)
Discussion
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
Check Content
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
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".
Additional Identifiers
Rule ID: SV-205823r916422_rule
Vulnerability ID: V-205823
Group Title: SRG-OS-000423-GPOS-00187
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-002418 |
The information system protects the confidentiality and/or integrity of transmitted information. |
| CCI-002421 |
The information system implements cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission unless otherwise protected by organization-defined alternative physical safeguards. |