Pc FireWall Setup

Urgently please

Hi Smart people of the world,

I need to setup a pc as firewall with two nic's, is this possible cn someone instruct me how to do this.

What I would like to do is

Nic one will be connected to the modem and nic 2 will be conected to the LAN. is there a way that I can set the nic two and nic in a way that I can access internet from the other pc's being save that if any one bypass the router that they can not gain access to the LAN?

Thank you

Theo
TheoGeermanAsked:
Who is Participating?
 
Christopher McKayConnect With a Mentor Microsoft Network AdministratorCommented:
Ah, you want to know how to configre the internet connection.

Try this:

on your "internet" computer, Set "NIC1" to connect to your internet connection. (This most likely will use a "Automatically assigned IP Address" etc)

Set NIC2 to your internal network. Give this one a static IP. (If your network uses DHCP, then you will need to set it as a reserved addess.)

Set NIC1 as a shared internet connection following the steps listed here: http://support.microsoft.com/kb/306126

Ensure your firewall is monitoring your connections.

On your DC, point the gateway to the IP Address of NIC2 on your internet computer.

Let me know how it goes.

:o)

Bartender_1
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Christopher McKayMicrosoft Network AdministratorCommented:
It is possible.

What you need to do is to have firewall and internet connection sharing software on the system.

Depending on what firewall software you use, you would configure it to control traffic to and from the internet. Here's a guide on Personal Firewalls:
http://www.firewallguide.com/software.htm

Internet connection sharing can be done within Windows now, here is a guide for doing it:
http://support.microsoft.com/kb/306126

Hope this helps!

:o)

Bartender_1
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TheoGeermanAuthor Commented:
Thanks Bartender1

I have read that i should not set ICS on a windows 2000 network with a domain controler. so this will be a issue for me because what I would like to is on my windows 2000 domain I would like to set a pc that has aslo windows 2000 installed and I have BlackICE firewall software. setting the BlakIce willnot be a issue but what I would like to know is if it make sense to have then 2 network cards on the same pc, if they can help keeping intruders out and if there is any seeting I should do on the nic or in the windows in order be protected.

Thanks
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Christopher McKayMicrosoft Network AdministratorCommented:
The protection will come from the firewall software.

The NIC will provide the ability to connect to both your network and your internet connection. The firewall software will control what traffic is permitted between the two.
Is this what you're asking? Or am I not understanding your question?

:o)

Bartender_1
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TheoGeermanAuthor Commented:
Yes This is perfect you got it.
my problem is.
I install the program and than I conect one cable to the Modem and the other to the switch. what should I do then ?
Asign a static ip to each nic ? the domain controler is now distributing the internet but I wan to let this pc so I can set all the computers to receive internet true the new pc not the domain controler. but I don't know if there are additional setings to be done on the nics or on the windows of this new pc besides the seeting on the firewall software.

Thanks
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TheoGeermanAuthor Commented:
Ok I will try this.

Thanks
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