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July 24, 2008 01:48pm pdt
 
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Using IP Tables to make RHEL4 machine gateway with Trend Micro IWSS

Tags: Redhat, Enterprise Linux, 4
Okay, this is a bit of a re-design of my previous question, as that turned up bust.

I have a RHEL4 machine set up as an IWSS server, currently as a proxy. Major problem is, people are just chosing to not go through the proxy, connecting direct to the internet. I could force it with Active Directory, but there we run into the second problem... ala people taking laptops home, and needing to get internet access from home. If I force the IWSS server as the proxy, then they can't get home. And deceitful users are just finding ways of running non-IE browsers to get around it anyway. So all in all, Proxy is no good.

I have been reading that you can set a machine up as a gateway and have all http traffic directed through the use of IP tables, but I will be perfectly honest, it is beyond my comprehension of being able to apply that to IWSS. What I am hoping for is perhaps someone has already done this.

Is this possible, to set this machine up as a gateway PC between the router and the users? Do I need two NIC's in there (I am assuming yes), and what do I have to do with the iptables to get it to route through IWSS first.

IWSS can listen on port 1344 in ICAP mode, or alternatively, in forward or reverse proxy modes.

Any help would be greatly appreciated.

Zak
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Question Stats
Zone: Security
Question Asked By: Zak_MakeWithTheFunny
Solution Provided By: gbygby
Participating Experts: 1
Solution Grade: A
Views: 35
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