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Re: intermediaries, implicit gzip, etags, no-transform

From: Greg Wilkins <gregw@intalio.com>
Date: Sun, 22 Jun 2014 00:02:34 +0200
Message-ID: <CAH_y2NF_p2xyYnVzoEjcfBQyhHLNPYEgnJF17Ogh2qAwS-SQuQ@mail.gmail.com>
To: Julian Reschke <julian.reschke@gmx.de>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
Julian,

did you notice if they correctly set the Vary header to indicate the
content can change depending on Accept-Encoding?

cheers



On 20 June 2014 17:12, Julian Reschke <julian.reschke@gmx.de> wrote:

> Hi there,
>
> so I played around with Google's Data Compression proxy and Opera's Turbo
> today, and found:
>
> - both implicitly use content-coding gzip, but do not touch the Etag,
> potentially breaking HTTP semantics
>
> - GDCP adds a custom header field describing the original content length
> (which of course has not been registered)
>
> - setting "cache-control: no-transform" on the response, does not change
> this behavior, thus both seem to violate a "MUST NOT" requirement from <
> http://greenbytes.de/tech/webdav/rfc7230.html#rfc.section.5.7.2>
>
> Best regards, Julian
>
>
>
>
>


-- 
Greg Wilkins <gregw@intalio.com>
http://eclipse.org/jetty HTTP, SPDY, Websocket server and client that scales
http://www.webtide.com  advice and support for jetty and cometd.
Received on Saturday, 21 June 2014 22:03:02 UTC

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