Windows 11 must not have portproxy enabled or in use.
An XCCDF Rule
Description
<VulnDiscussion>Having portproxy enabled or configured in Windows 10 could allow a man-in-the-middle attack.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-257592r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Contact the Administrator to run "netsh interface portproxy delete" with elevation. Remove any enabled portproxies that may be configured.