ISA 2006 - Publishing Internal Servers to different external IPs

Posted on 2009-02-09
Medium Priority
Last Modified: 2013-11-16
I am used to having a firewall/router with multiple external IP addresses where I port forward a port on an external IP's address to a server on no routable IPs (192.168.1.n) behind the firewall.  For example:

My firewall has 2 external ips: and  I have 2 servers behind the firewall and I want to port forward 3389 from  to reach server1 ( and port forward 3389 from to server2 (  So from the internet I can put in eaither or in remote desktop and get to the server I want.  

Q: How do you do the same thing with ISA 2006 ?

Question by:martinmcginley
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LVL 51

Accepted Solution

Keith Alabaster earned 2000 total points
ID: 23595336
Make sure ISA has all of the external ip addresses associated on its external nic
in the gui, select the firewall policy
right-click the firewall policy - on the left side of the screen and selelct new - non web publishing rule.
Follow the wizard and select the rdp/ts protocol then when asked to select an interface - select external. You will see an addresses button. select this and choose the external ip address you want to listen on then complete the wizard.

repeat the exercise but this timne select a different ip address to listen on - obviously choosing a different ip address interanlly each time to forward the traffic to.


Author Closing Comment

ID: 31544776
thank you - got it.
LVL 51

Expert Comment

by:Keith Alabaster
ID: 23600178
Thanks :)


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