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Network Bridges must be prohibited in Windows.


Overview

Finding ID Version Rule ID IA Controls Severity
V-15667 WN08-CC-000004 SV-48221r1_rule Medium
Description
A Network Bridge can connect two or more network segments allowing unauthorized access or exposure of sensitive data. This setting prevents a Network Bridge from being installed and configured.
STIG Date
Windows 8 / 8.1 Security Technical Implementation Guide 2016-12-19

Details

Check Text ( C-44900r1_chk )
If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Subkey: \Software\Policies\Microsoft\Windows\Network Connections\

Value Name: NC_AllowNetBridge_NLA

Type: REG_DWORD
Value: 0
Fix Text (F-41357r1_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Network Connections -> "Prohibit installation and configuration of Network Bridge on your DNS domain network" to "Enabled".