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Simultaneous connections to the Internet or a Windows domain must be limited.


Overview

Finding ID Version Rule ID IA Controls Severity
V-63581 WN10-CC-000055 SV-78071r2_rule Medium
Description
Multiple network connections can provide additional attack vectors to a system and must be limited. The "Minimize the number of simultaneous connections to the Internet or a Windows Domain" setting prevents systems from automatically establishing multiple connections. When both wired and wireless connections are available, for example, the less preferred connection (typically wireless) will be disconnected.
STIG Date
Windows 10 Security Technical Implementation Guide 2019-01-04

Details

Check Text ( C-64331r1_chk )
The default behavior for "Minimize the number of simultaneous connections to the Internet or a Windows Domain" is "Enabled".

If the registry value name below does not exist, this is not a finding.

If it exists and is configured with a value of "1", this is not a finding.

If it exists and is configured with a value of "0", this is a finding.

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\WcmSvc\GroupPolicy\

Value Name: fMinimizeConnections

Value Type: REG_DWORD
Value: 1 (or if the Value Name does not exist)
Fix Text (F-69511r1_fix)
The default behavior for "Minimize the number of simultaneous connections to the Internet or a Windows Domain" is "Enabled".

If this needs to be corrected, configure the policy value for Computer Configuration >> Administrative Templates >> Network >> Windows Connection Manager >> "Minimize the number of simultaneous connections to the Internet or a Windows Domain" to "Enabled".