I've been getting a 505 'Http Version Not Support' whilst trying to access Azure storage recently. It took me a while to figure out that it was only happening on public WiFi (e.g. First Great Western, Tesco etc). The fix was simple: edit my storage connection string to use https i.e. DefaultEndpointsProtocol=https;
However, here's my question: why did this only occur on public WiFi? http was accepted by Azure when I was tethered to my mobile or used my home WiFi connection. Fiddler didn't show any difference in the requests sent from my machine, so what are these hotspots doing to http traffic?
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