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Publishing Public DNS Server with Private IP Address
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Publishing Public DNS Server with Private IP Address - 27.Jun.2006 5:22:32 PM
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jle2005
Posts: 33
Joined: 19.Jan.2006
Status: offline
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Hello all,
I'm new to ISA Server 2004 and recently I'm trying to setup a Trihomed firewall network, External, Internal, and DMZ. On the DMZ segment, I've setup a public DNS Server with private IP address. I created a Perimeter Network and a NAT relationship rule between the DMZ and External network. I also Publish the public DNS Server on the DMZ to the internet with the public IP address on the External NIC of the ISA firewall. I do a nslookup for www.vngateways.us and I can see the private IP address of the public DNS Server on the DMZ, but when I try to ping www.vngateways.us I got time out error. Is there anyway that I can hide the private IP address of the public DNS Server and only display the Public IP address of the External NIC of the ISA firewall. Thank you very much
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RE: Publishing Public DNS Server with Private IP Address - 18.Jul.2006 6:22:01 PM
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jle2005
Posts: 33
Joined: 19.Jan.2006
Status: offline
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Hello Tom,
Yes, indeed it's working now and thank you for all your help. However, I'm still having problem with letting my internal host to access my web server on the DMZ. Do I need to add an IP routing on my DC or follow your article "Allowing Intradomain Communications Through an ISA Server" to get it working? Thanks again.
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RE: Publishing Public DNS Server with Private IP Address - 19.Jul.2006 5:34:44 PM
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tshinder
Posts: 47490
Joined: 10.Jan.2001
From: Texas
Status: offline
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Hi Jle,
What's the configuration of the Network Rule connecting the default Internal Network to the DMZ Network?
Thanks!
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: Publishing Public DNS Server with Private IP Address - 20.Jul.2006 6:09:31 PM
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jle2005
Posts: 33
Joined: 19.Jan.2006
Status: offline
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Hello Tom,
The Network Rule connecting the default Internal Network to the DMZ Network is Route.
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RE: Publishing Public DNS Server with Private IP Address - 10.Aug.2006 10:28:28 AM
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datnt0967
Posts: 1
Joined: 10.Aug.2006
Status: offline
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Dear Jle2005,
your problem has been solved yet? your internal host can not access website which is hosted on DMZ right?
according to your information on configure ISA serve. all rule are correct,
but i would like to ask you a question? when you setup your internal network, the local domain (internal domain) is the same with the internet domain (the domain which is registerd on the internet).? if yes, so you will reconfigure ISA.
good luck
_____________________________
Dat Nguyen Thanh
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RE: Publishing Public DNS Server with Private IP Address - 10.Aug.2006 2:12:45 PM
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tshinder
Posts: 47490
Joined: 10.Jan.2001
From: Texas
Status: offline
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quote:
ORIGINAL: jle2005
Hello Tom,
The Network Rule connecting the default Internal Network to the DMZ Network is Route.
Hi Jle,
You need a ROUTE relationship for intradomain communications.
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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