Anonymous SID/Name translation must not be allowed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-225044	WN16-SO-000250	SV-225044r569186_rule		High

Description
Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must be able to perform such translations.

STIG	Date
Microsoft Windows Server 2016 Security Technical Implementation Guide	2021-03-05

Details

Check Text ( C-26735r466034_chk )
Verify the effective setting in Local Group Policy Editor. Run "gpedit.msc". Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options. If the value for "Network access: Allow anonymous SID/Name translation" is not set to "Disabled", this is a finding. For server core installations, run the following command: Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt If "LSAAnonymousNameLookup" equals "1" in the file, this is a finding.

Check Text ( C-26735r466034_chk )

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Network access: Allow anonymous SID/Name translation" is not set to "Disabled", this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt

If "LSAAnonymousNameLookup" equals "1" in the file, this is a finding.

Fix Text (F-26723r466035_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Allow anonymous SID/Name translation" to "Disabled".