Microsoft Windows 11 Security Technical Implementation Guide

The Microsoft Windows 11 Security Technical Implementation Guide (V2 R11) has 257 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V2 · R11

CurrentPublished Wed Sep 30 2026

Connections to non-domain networks when connected to a domain authenticated network must be blocked.

Microsoft Windows 11 Security Technical Implementation Guide

Assessment Title

Rule Text

Connections to non-domain networks when connected to a domain authenticated network must be blocked.

Description

Discussion Text

Multiple network connections can provide additional attack vectors to a system and must be limited. When connected to a domain, communication must go through the domain connection.

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

Objective

V-253365

Rule

SV-253365r1268251_rule

Severity

medium

Rule Version

WN11-CC-000060

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

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: \SOFTWARE\Policies\Microsoft\Windows\WcmSvc\GroupPolicy\

Value Name: fBlockNonDomain

Value Type: REG_DWORD
Value: 1

Implementation Procedure

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Network >> Windows Connection Manager >> "Prohibit connection to non-domain networks when connected to domain authenticated network" to "Enabled".

STIG check 106 of 257 in the Microsoft Windows 11 STIG checklist

← Previous · V-253364Simultaneous connections to the internet or a Windows domain must be limited.Next · V-253367 →Command line data must be included in process creation events.