'Access-Control-Allow-Private-Network = true' header for http response #318
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Google chrome browser (and I guess others too) are deprecating direct access to private network endpoints from public websites as part of the Private Network Access (PNA) specification.
Complete information here: https://developer.chrome.com/blog/private-network-access-preflight/
Please merge this change in order to add that header to responses. For now it is working on an ab test level, but is supposed to be released in a couple of google chrome versions.