Question

ISA Firewall Settings

Asked by: Atouray

I am setting up ISA Server 2006 and I would need to know how best can I set it so that I would not run into problems. So I will try to explain the ways I am trying to set it up and I would like to know if this will really work for me.

Presently I have the following
1. Domain Controller
2. DHCP Server (users obtain their ip address default gateway set as the ip address of the Router)
3. Router configured as the default gateway

so Clients  -->> Router-->> outside

Now what I want to do is the integrate the ISA Server 2006 in the above setup so that everybody going out of out network will go through the ISA server, so that we can control the flow of traffic in and out of the network
So this is way I want to set it up
1. Router Configuration remains
2. I will change the default gateway configured in the DHCP server for the client computers     to  the IP ADDRESS OF THE ISA Server because i want the clients to go through the ISA Server.
3. Then the default gateway of the ISA Server will be the ip address of the Router.

so Clients --> ISA Server -->> Router-->> outside
So do you think the above setup is accurate or I need to do more.

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Asked On
2009-11-06 at 02:34:20ID24877430
Tags

ISA server 2006

Topic

Network Software Firewalls

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: warunanoPosted on 2009-11-06 at 02:54:36ID: 25758057

If you want use ISA2006 as firewall, You should 2 card network minimally for separate between internal and external.
- Router ? (brand & model)
- you have server email or web publish ?
- you know about port & protocal must use.

 

by: AtourayPosted on 2009-11-06 at 03:04:06ID: 25758106

I have two network cards, one internal and the other connected to my router (Enterprise Vigor 3300 ). No we only have Local Exchange server its not published.
The protocols I am planning to allow are HTTP and HTTPS for most users. Is this information ok?

 

by: farazhkhanPosted on 2009-11-06 at 03:37:49ID: 25758258

Hi,

Yes, the above you described is the standard and fine way in your scenario. It will work fine.

The only thing I will recommend you is to use FIrewall client on your client machines, instead of providing them ISA server internal IP as getway. ISA firewall client on each PC will give you more granular access to your clients(like webCache, Logs etc).

Regards,
Faraz H. Khan

20120131-EE-VQP-002

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