[Gllug] how to check for a transparent proxy

[itsbruce at uklinux.net]

On Mon, Dec 02, 2002 at 08:23:44AM +0000, rich at annexia.org wrote:
> > This is contradictory.  If it is rewriting source addresses then the
> > REMOTE_ADDR according to the web server WILL be the proxy's.
> 
> No, I meant it would rewrite source addresses on the way out.
> Thus from the p.o.v. of the transparent proxy, the source address
> 127.0.0.1 would be rewritten to the original source address.

Ah.  You mean that the transparent proxy will, having diverted an ip
packet on the way out and processed it, rewrite the source header of the
ip packet to contain the original sender address before sending it out?
And then watch for all replies to that ip address and re-divert them?
Um, no.  Not on any set-up I'm familiar with.

-- 
Bruce

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