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Re: Identification of return TCP/IP packets arriving to the proxy server

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> Hello,
>
> I have rather academic question. Can someone explain/clarify how the
> proxy server identifies return TCP/IP packets in order to channel them
> to the particular client processes.
>...

  - Your model , on networking is negatively bended : in fact your question
is irrelevant to 'basic' SQUID, because it sits that app. layer in the
networking stack.
Clients forward http requests to SQUID, which squid handles , for instance
cached or not, in the latter case contacting the remote webserver and fetching
the requested object.
This could even be done , with any transport/networking  implementation, and
must be seen separated from the app. layer.

Transparant proxy-ing may be an exception, indeed, but the consequences of
not obeying the network-layered-model has many possible caveats.


M.


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