File Download and Filenames

Several months ago, I blogged about IE’s support for International Filenames on Downloads. Today’s post is a bit simpler and describes two cases when IE may rename downloaded files. Filename Extension and QueryString Parameters If a file download HTTP response does not contain a Content-Disposition header, Internet Explorer will determine the filename from the URL. This may…

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Challenge-Response Authentication and Zero-Length Posts

From time-to-time, web developers contact the IE team reporting that they’ve encountered a problem whereby Internet Explorer submits a POST but fails to transmit the content body. This bodyless POST indicates via the Content-Length header that the POST is zero-bytes long, regardless of how much data was supposed to be uploaded. This behavior occurs on…

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