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worksations need to register their IP address

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worksations need to register their IP address - 23.Aug.2001 1:58:00 PM   
Eric Johnson

 

Posts: 3
Joined: 23.Aug.2001
Status: offline
Hi,
I have not yet installed ISA server and require clarification of a little point before I do.

Several of are internal workstations will require access to an external server. The external server will only allow access from specific IP addresses and (unfortunately) the server admin will not allow us to register the ISA servers external IP address as an acceptable client.

Is there any way a specific internal address can be "NATed" to a specific external address?
... but that would mean an external network card with two IP addresses ... which can't happen.

I have thought about having several external cards in the server but this seams a bit drastic. However drastic solutions are acceptable.

Thanks
Eric

Post #: 1
RE: worksations need to register their IP address - 23.Aug.2001 6:31:00 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Eric,

You can do what you want to do with the RRAS NAT, but you can't do it with ISA Server (yet).

You only option, as I see it, is to create a DMZ segment and put those clients with the public addresses on the DMZ.

HTH,
Tom

------------------
http://www.isaserver.org/shinder/



Get It Here!


(in reply to Eric Johnson)
Post #: 2
RE: worksations need to register their IP address - 28.Aug.2001 7:13:00 PM   
Eric Johnson

 

Posts: 3
Joined: 23.Aug.2001
Status: offline
Thanks for your quick reply!

Perhaps I'm clutching at straws but I noticed http://www.isaserver.org/ubb/Forum2/HTML/000712.html

Does this help with my problem of translating a public IP straight to an internal IP ?? I note the discussion refers to multiple NICs on the public side but how about multiple IP on a single card?

Sorry for wasting you time!
Eric


(in reply to Eric Johnson)
Post #: 3
RE: worksations need to register their IP address - 29.Aug.2001 7:55:00 AM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Eric,

You are not wasting my time! However, if it takes me awhile to get back, its because I can only get to about 15-20 responses a day.

The problem with the solution in the link you provided is that you cannot run both the Win2k RRAS NAT and ISA Server. The two will conflict and you'll end up with more problems that you want (I tried it for awhile and its not fun).

HTH,
Tom

------------------
http://www.isaserver.org/shinder/



Get It Here!


(in reply to Eric Johnson)
Post #: 4
RE: worksations need to register their IP address - 29.Aug.2001 11:32:00 AM   
Eric Johnson

 

Posts: 3
Joined: 23.Aug.2001
Status: offline
Thanks I will set up a dmz as you suggested.
I thought there were issues running ISA and RRAS, thanks for confirming this. I now consider the matter closed and look forward to a future ISA where I can do what I wanted.

I'm a little bit confused by your reply, do you think I was criticing your response time??
Certainly not!
I am very impressed with the qulaity and response time of all replies on this message board. In fact its a joy to see such as well run site.

(please feel free not to post this message as it doesn't contain anything usefull to anyone else)

Eric


(in reply to Eric Johnson)
Post #: 5

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