Proxy IP to real IP conversion

I have a firewall Watchguard XTM-530 in the perimeter of Internet. The firewall will serve an entire building. The firewall has a content filter enabled, so the firewall must known who is the user sending a request to the Internet.

The clients computers have their own default gateway that connect to an MPLS, so the firewall can not be default gateway. I've installed a Squid proxy server but I can not see the real IP Addresses of the computers.

How can I solve it?
JOGUMIAsked:
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xylogConnect With a Mentor Commented:
Can your default gateway do WCCP? Even a lowly Cisco 2600 is capable of doing WCCP. This would allow you to do transparent redirection which would send the real IP address to the firewall.
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ujitnosCommented:
If you have placed your Squid Proxy (i fell that u might have) before the firewall for traffic going out to internet, you will not see actual users IP in firewall as all users connect to proxy and then proxy in-turn connects to internet to fetch the web page.

You can make use of a reporting tool/software for the Squid proxy to get you the user activity reports.

Try

http://www.manageengine.com/products/firewall/squid-proxy-report.html

Else try one from the below link

http://www.squid-cache.org/Scripts/
 
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