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


Overview

Finding ID Version Rule ID IA Controls Severity
V-36675 WN08-CC-000015 SV-48292r1_rule ECSC-1 Medium
Description
Multiple network connections can provide additional attack vectors to a system and should be limited. When connected to a domain, communication must go through the domain connection.
STIG Date
Windows 8 Security Technical Implementation Guide 2013-02-15

Details

Check Text ( C-44970r1_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\WcmSvc\GroupPolicy\

Value Name: fBlockNonDomain

Type: REG_DWORD
Value: 1
Fix Text (F-41427r1_fix)
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".