Windows 11 must not have portproxy enabled or in use.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257592 | WN11-00-000395 | SV-257592r922047_rule | Medium |
| Description |
|---|
| Having portproxy enabled or configured in Windows 10 could allow a man-in-the-middle attack. |
| STIG | Date |
|---|---|
| Microsoft Windows 11 Security Technical Implementation Guide | 2023-09-29 |
Details
| Check Text ( C-61332r922045_chk ) |
|---|
| Check the registry key for existence of proxied ports: HKLM\SYSTEM\CurrentControlSet\Services\PortProxy\. If the key contains v4tov4\tcp\ or is populated v4tov4\tcp\, this is a finding. Run "netsh interface portproxy show all". If the command displays any results, this is a finding. |
| Fix Text (F-61256r922046_fix) |
|---|
| Contact the Administrator to run "netsh interface portproxy delete" with elevation. Remove any enabled portproxies that may be configured. |