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The system must be configured to prevent anonymous users from having the same rights as the Everyone group.


Overview

Finding ID Version Rule ID IA Controls Severity
V-3377 WN12-SO-000054 SV-52890r1_rule ECCD-1 ECCD-2 ECLP-1 ECSC-1 Medium
Description
Access by anonymous users must be restricted. If this setting is enabled, then anonymous users have the same rights and permissions as the built-in Everyone group. Anonymous users must not have these permissions or rights.
STIG Date
Windows Server 2012 / 2012 R2 Member Server Security Technical Implementation Guide 2014-04-02

Details

Check Text ( C-47207r2_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: EveryoneIncludesAnonymous

Value Type: REG_DWORD
Value: 0
Fix Text (F-45816r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network access: Let everyone permissions apply to anonymous users" to "Disabled".