I have a couple of affiliate sites. So I need to track users who come from these sites and are going to our shop. Up to now I am doing this with cookies, as IP information uses to get aliased by NAT.

Now I thought in order to track the users it might be possible to extract the internal IP from the incoming packet header having a rather unique external/internal IP pair. This would allow me to dispose of the unwanted cookies.

So I would need a simple HTTP server (just serving images) which traces the received packages peeling out the internal/external IP information.

Anybody has an idea?

In reply to Trace HTTP users by NAT header information by willi wusel

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