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Re: Reverse Proxy
From: Todd Haverkos <infosec () haverkos com>
Date: Fri, 02 Sep 2011 15:07:45 -0500

charlie () funkymunkey com writes:

Hi,

I am wondering how someone would find out the IP address of a web
server if it were behind a reverse proxy, but still on a public IP?
Say for instance, the website was using CloudFlare, the A record
points to CloudFlare but the website is hosted elsewhere on a public
IP.

What motivates the question? 

As one example, if the ultimate web servers are IIS, they tend to leak
private IP's via headers in a few different ways, so that's one
possible method, but before saying too much more I guess it'd be
useful to constrain the question more and know what your goal is.

--
Todd Haverkos, LPT MsCompE
http://haverkos.com/

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