Re: http proxy & tunnel differences ??

>Actually, for better or worse, the client does not always
>know about the proxy.  Transparent proxies are quite common.

Those are not transparent proxies -- they are firewall gateways,
even when they occur near to the client.  My use of "proxy" and
"gateway" are defined in the HTTP spec, which does not always
correspond to what some marketing departments call their products.

....Roy