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Re: Squid 3.1.1 and flash video scrubbing

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tor 2010-04-08 klockan 20:43 +1200 skrev Amos Jeffries:

> FWIW, the flash player and the server are somewhat broken and playing 
> bad games with HTTP/1.1 Range requests.

Which quite likely triggers confusion within Squid as the store/object
interface is range aware. Has been issues there in the past, and quite
likely is more issues..

Not 100% sure that response is technically broken, but it surely is an
odd response.

> It claims to be cacheable but isn't. 

Why isn't it? 

>  If this "range" was merged into a 
> previous ranges of the object, or even fetched from the a full copy of 
> real object by any well behaved middleware proxy it would corrupt the 
> media transfer.

We don't know how the server would react on requests for the same URI
but with Range header..

There is no Content-Location header in the response, so merging of
responses with different url parameters MUST NOT be done by any HTTP
agent (including proxies). Content-aware merging of the data is allowed,
but that's outside HTTP.

Regards
Henrik


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