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How to configure Squid to send back a HTTP 1.1 response for a HTTP 1.1 request?

I see that if a browser sends a HTTP 1.1 request, squid sends back a HTTP 1.0 response back even though the original web server that serves the content sends back a HTTP 1.1 response.

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That's because Squid doesn't fully implement HTTP 1.1.

Looking around for Squid's HTTP/1.1 status leads to and ; the blog is also worth checking out. The squid3 roadmap mentions further HTTP/1.1 support for 3.2

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Ticking the "Use HTTP 1.1" and "Use HTTP 1.1 through proxies" advanced settings under IE sometimes fixes related problems such as Bad Gateway and Zero Error replies from Squid

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