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Guide: LocalHost Loopback

Localhost Loopback has now been officially added to the update 2308 of WSA, and so this guide is probably outdated now.

Preface: You want to connect WSA to the localhost (Windows 11 hosting machine) or to a development server I run on Windows 11 or any such scenario where you would want to connect to the Windows 11 localhost, but are unable to

Process:

1. Run PowerShell as administrator

2. Execute

Set-NetFirewallHyperVVMSetting -VMCreatorId '{9E288F02-CE00-4D9E-BE2B-14CE463B0298}' -LoopbackEnabled True

3.Execute

New-NetFirewallHyperVRule -DisplayName LoopbackAllow -VMCreatorId '{9E288F02-CE00-4D9E-BE2B-14CE463B0298}' -Direction Inbound -Action Allow -LocalPorts [PORT]

(replacing [PORT] with the port you're trying to expose)