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Settting "Access-Control-Allow-Origin" header requires setting (or manipualting) the "Vary" header #148

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michael-e opened this issue Aug 13, 2016 · 0 comments

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michael-e commented Aug 13, 2016

If the server specifies an origin host rather than "*", then it must also include Origin in the Vary response header to indicate to clients that server responses will differ based on the value of the Origin request header.

— https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS

Sounds reasonable.

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