Likes https://twitter.com/bradfitz/status/1542566256812781569.
If you do a PUT without chunking or Content-Length to Azure instance metadata server,
HTTP/1.1 411 Length Required
Server: Microsoft-HTTPAPI/2.0
Once you fix that,
Server: Microsoft-IIS/10.0
I like how you can watch the "Server" to see it snaking its way through layers.
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