Proxy

Previously, we published a blog post about fixing the 0x80071772 error when installing WSL applications. Today, we’re tackling another common WSL error - “wsl: localhost proxy configuration detected but not mirrored to WSL. WSL in NAT mode does not support localhost proxy.” Cause Analysis Many users run certain software on Windows that requires modifying the system proxy settings, which can trigger this error in WSL. Here’s the specific reason: Your Windows host has a local proxy set up, such as 127.0.0.1:1080, but this proxy configuration is not properly mirrored into the Linux subsystem inside WSL. Under WSL’s NAT network mode, localhost (127.0.0.1) is isolated between WSL and the Windows host. ...

A proxy is an intermediary server that sits between a client and a destination server. You can think of a proxy as a post office or messenger. When a client requests resources from the internet, such as a web page or a PDF document, the request is sent to the proxy server instead of directly to the destination server. The proxy then forwards the request to the destination server and relays the response back to the client. ...