UCF STIG Viewer Logo
Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

Anonymous enumeration of shares must be restricted.


Overview

Finding ID Version Rule ID IA Controls Severity
V-1093 WN12-SO-000052 SV-52847r1_rule High
Description
Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can provide a map of potential points to attack the system.
STIG Date
Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide 2018-10-30

Details

Check Text ( C-47164r2_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\Control\Lsa\

Value Name: RestrictAnonymous

Value Type: REG_DWORD
Value: 1
Fix Text (F-45773r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network access: Do not allow anonymous enumeration of SAM accounts and shares" to "Enabled".