Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide

The Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide (V1 R34) has 328 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

Find STIG checks

328STIG checks

Search filters this STIG's checks locally. Separate terms must all match (use quotes for an exact phrase). A search you ran on the Search page carries over here.

Severity

Version

V1 · R34

CurrentPublished Wed Jun 17 2020

Anonymous enumeration of SAM accounts will not be allowed.

Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide

Assessment Title

Rule Text

Anonymous enumeration of SAM accounts will not be allowed.

Description

Discussion Text

This is a Category 1 finding as it allows anonymous logon users (null session connections) to list all account names, thus providing a list of potential points to attack the system.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-26283

Rule

SV-33732r1_rule

Severity

high

Rule Version

3.019

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Analyze the system using the Security Configuration and Analysis snap-in. 
Expand the Security Configuration and Analysis tree view. 
Navigate to Local Policies -> Security Options. 

If the value for "Network access: Do not allow anonymous enumeration of SAM accounts" is not set to "Enabled", then this is a finding. 


The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE 
Registry Path: \System\CurrentControlSet\Control\Lsa\

Value Name: RestrictAnonymousSAM

Value Type: REG_DWORD
Value: 1

Implementation Procedure

Fix Text

Configure the policy values for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network access: Do not allow anonymous enumeration of SAM accounts" to "Enabled".

STIG check 158 of 328 in the Windows Server 2008 R2 Domain Controller STIG checklist

← Previous · V-26070Standard user accounts must only have Read permissions to the Winlogon registry key.Next · V-26359 →The Windows dialog box title for the legal banner will be configured.