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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. <br />
<br />
You can make use of a reporting tool/software for the Squid proxy to get you the user activity reports.<br />
<br />
Try<br />
<br />
<a href="http://www.manageengine.com/products/firewall/squid-proxy-report.html" rel="ugc">http://www.manageengine.com/products/firewall/squid-proxy-report.html</a><br />
<br />
Else try one from the below link<br />
<br />
<a href="http://www.squid-cache.org/Scripts/" rel="ugc">http://www.squid-cache.org/Scripts/</a><br />
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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 [http://www.manageengine.com/products/firewall/squid-proxy-report.html]

Else try one from the below link

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

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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.<br />
<br />
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.<br />
<br />
How can I solve it?
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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?

Proxy IP to real IP conversion

Network Operations includes asset management, help-desk supervision, security and user policies, infrastructure administration and anything else that affects the operation of your network. Discussions will include those of best practices in platforms, configurations, performance, security and accounting.

Network Operations

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.