Preventing Internet Access via Office using IEHALT

Novell Cool Solutions: Trench
By Ron Fowler

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Posted: 25 Jul 2002

You recently published this Q&A:

Question: I am launching my Office programs through NAL. I do not want internet access for some users. How do I keep them from going to "help" in Word and Excel and clicking on "office on the web" to get to the internet?

Answer: The best way is to use a firewall. It is very tricky if not impossible to do it with policies alone.

We've written a small app (in Visual Basic) that you may find useful for this situation. Here's how to use it:

  1. Create a group that contained all of the users you don't want surfing the net.
  2. Create a force run NAL app and associate it with the no internet group.
  3. On the run line in the nal app you would have it launch our app (IEHALT.EXE http://domain.com).

When the users in this group attempt to go to any web page other than http://domain.com they will be redirected to http://domain.com. You could redirect them to a url on your Intranet that would log who they were and what site they attempted to go to and you could have it then display a message about them not being allowed to use the Internet.

If you launch iehalt without command line options (http://yourredirect.website.com) it will redirect all IE requests (other than the default home page) to http://technology.usd497.org.

Note: This application can be killed by the user via the process list on NT/W2k/XP. So it won't stop the ones that figure that out.


http://staff.usd497.org/~Ron.Fowler/Visual Basic Source/iehalt.exe

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