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From Pier Fumagalli <>
Subject Re: Servlet API changes and mod_proxy...
Date Thu, 13 Mar 2003 20:13:00 GMT
"Pier Fumagalli" <> wrote:

> The new upcoming servlet API will include some new methods to retrieve the
> connection IP and PORT in case of proxied HTTP requests.
> It will be basically required to obtain the following:
> - IP + PORT of the remote client
> - IP + PORT of requested by the client
> - IP + PORT where the request was received by the server
> (the latter are different in case you have a proxied request, because you
> can get both the IP + PORT of the proxy server where the original request
> was received and the IP + PORT of the servlet container where the proxied
> request was forwarded to).
> Would it make any sense to extend the already-present capability of
> mod_proxy with X-Forwarded-... headers to include the original client port
> number and the IP + PORT of the Apache instance receiving the original
> request?
> The X-Forwarded-For would contain something like (instead
> of just the first bit before the ':'), and I would need to add another
> header containing the IP of the client connection (I was thinking about
> something like: "X-Forwarded-Address:"
> What do you guys think?

Forget about the second part... That should be the "Via" header, right?


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