lundi 23 avril 2018

Request to another domain not works in Internet Explorer 10

Need to send file after it selected from input to another domain. This is work fine in Edge, but not work in Internet Explorer 10. Аccording to my observations difference between Edge and IE10 is that Edge send before CORS preflight request. As i read CORS preflight request sending if couple of conditions broken. One of them is not using simple response headers:

Cache-Control
Content-Language
Content-Type
Expires
Last-Modified
Pragma

In my case there are used following headers:

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As i read in specifications, if request is not simple there need to send CORS preflight request and save result in cache to next requests.

I get a guess that there something wrong with CORS, but need some proofs that IE10 working wrong with CORS. Has anyone encountered a similar situation?




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