127.0.0.1 to your MAMP Pro to allow localhost access, if you also want local subnet access, just add
10.0.1.0/24 (change this according to your local ranges)
The solution is to create a local proxy server on the machine that has MAMP installed, and then configure the client to use that proxy to browse the web. The client configuration only takes a few seconds, and is easy to disable once you’re done.
via Connecting to MAMP sites from other local network clients | Raygun.
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