What is this net::ERR_SPDY_PROTOCOL_ERROR error while uploading?

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I’m using Google Chrome to run some tests on an application that I’m servicing. I am specifically using Ajax to upload a ZIP file.

When I do the tests on my machine locally, the upload usually occurs. But when I do this in production, if the file is large, an error is generated in Google Chrome.

net::ERR_SPDY_PROTOCOL_ERROR

The strange thing about all this is that I don’t get any answers from the server, other than the value (failed) in the "Network" tab of the Chrome Console.

The two tests I did, when the request reached about 2 minutes, this error occurs, without getting any response from the server - because all http errors that occur on the server, are recorded in a log, but nothing was reported there.

This error would be something related to Google Chrome?

Observing: I am using the IIS 10 Server and my application is Web Forms.

  • Additional: I read something on the internet about the antivirus blocked the request and cause this error, but I am not using Antivirus.

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