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Daniel BallingerDaniel Ballinger 

DataImporterUploadServlet violates Content Security Policy directive: "connect-src 'self'"

I was looking at doing the Data Management - Importing Data challenge.

I can't seem to get the data importer to accept the CSV file. It gives the error:
contacts_to_import.csv
There was a problem uploading the CSV file. Try again, or choose another file.
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Looking the the Chrome developer console the following error appears when pressing the Next button:

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Refused to connect to 'https://na5.salesforce.com/_ui/core/dataimporter/servlet/DataImporterUploadServlet?encoding=ISO-8859-1' because it violates the following Content Security Policy directive: "connect-src 'self'".

Do I need to use a specific browser for the data importer?
Daniel BallingerDaniel Ballinger
I get a similar issue using IE 11.
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