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2 NIC's, both on internal net and no External NIC
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2 NIC's, both on internal net and no External NIC - 13.Aug.2007 2:54:11 PM
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peter pan
Posts: 11
Joined: 5.Oct.2006
Status: offline
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Hi There,
I need to install ISA2006 with 2 NIC and joined to our domain.
No one of the NIC will be external. For example:
192.168.0.41 ( Internal) No Default Gateway DNS-Domain DNS 192.168.1.15
192.168.0.42 (virtually external) DG 192.168.0.254 DNS - Domain DNS 192.168.1.15
All internal users will browse trough 192.168.0.41(using Firewall client that will be installed trough Group Policy) and 192.168.0.42 I will treat like external card. Also the Default Gateway on 192.168.0.42 card will be my Cisco router. This is the way I will get to internet
Probably you will ask me why I'm doing this "stupid" configuration?
The reason is that as per our company standard, we can not have any external network card exposure to internet. All internet connections are going trough the Cisco router. I still want to have ISA Server on our network in order to filer the internet browsing, Stop the video sites, trace some users that are abusing the system etc...
The questions are:
When should I join the domain, before or after ISA 2006 installation and do I made any miss configuration with DNS and Default Gateways?
If you have better ideas, please post it
Thank you
< Message edited by peter pan -- 13.Aug.2007 2:56:02 PM >
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RE: 2 NIC's, both on internal net and no External NIC - 14.Aug.2007 10:21:21 AM
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tshinder
Posts: 47659
Joined: 10.Jan.2001
From: Texas
Status: offline
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Each NIC has to be on a different network ID.
Remember the ISA Firewall is a firewall, so there's no problem having a Firewall NIC for an external interface -- in fact, you should do that to enhance security.
HTH,
Tom
_____________________________
Thomas W Shinder, M.D.
Sr. Consultant/Technical Writer
Prowess Consulting http://www.prowessconsulting.com/
Blog: http://blogs.isaserver.org/shinder/
GET THE NEW ISA 2006 Book!: http://tinyurl.com/2gpoo8
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RE: 2 NIC's, both on internal net and no External NIC - 15.Aug.2007 8:39:15 AM
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peter pan
Posts: 11
Joined: 5.Oct.2006
Status: offline
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Strange,
Both Internal and external cards are on the same subnet and ISA is working fine so far. All rules and filters are working and I can brouse trough ISA. But I'm still testing before I put this server in production.
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