2.1.4 Section 5.5, Access-Control-Allow-Methods Response Header


The specification states:

 The Access-Control-Allow-Methods header indicates, as part of the response to a preflight request, which methods can be used during the actual request. 
 The `Allow` header is not relevant for the purposes of the CORS protocol. ABNF:
 Access-Control-Allow-Methods: "Access-Control-Allow-Methods" ":" #Method

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