Hi, did you find the answer to this?

Fastream Technologies wrote:

>Hello,
>
>I have a few issues left for understanding how a transparent proxy works. I
>talked with a friend in an ISP how they configure them and he said they use
>Layer4 switches to redirect all HTTP port 80 traffic to the proxy even
>though the end user does not configures his browser settings for the proxy.
>Now with our reverse proxy experience, all is well except one thing: How
>does the proxy know which IP to connect to when the end user uses HTTP/1.0
>with no "host" header? Is transparent proxies HTTP/1.1 only? How does the
>Layer4 switch understands what protocol does the end user uses if it can
>read just up to layer 4 (TCP)?
>
>Best Regards,
>
>SZ
>  
>


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