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-48292r2_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 8/8.1 Security Technical Implementation Guide | 2017-05-17 |
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". |