Bug#416397: ITP: haproxy -- fast and reliable load balancing reverse proxy

[Arnaud Cornet <arnaud.cornet@gmail.com>]

On Wed, Mar 28, 2007 at 10:11:51AM +1100, Russell Coker wrote:
> How do you preserve the mapping between the origin IP address and the 
> connection that the web server receives?
> 
> For HTTP the easiest solution would be to insert a header with the origin IP 
> that could then be logged, does the HTTP header addition/modification 
> functionality of HAProxy support this?

"X-Forwarded-For" is the de-facto standard HTTP header to achieve this.
HAProxy does support this header with "forwardfor" option.

Cheers,
-- 
Arnaud Cornet