Crawl ifs using ultrasearch with results via portal

I would like to be able to crawl ifs and have results via portal.
The only thing I can find concerning making ultrasearch crawl ifs is this, http://otn.oracle.com/products/ultrasearch/htdocs/FAQ.html, which has the statement "you can crawl Oracle Files with Ultra Search through HTTP - it is just another web data source - or database crawling. However, only public documents can be crawled through HTTP."
So, I set up a web datasource using the url to ifs login page.
Does not work. Does anyone know how to do this? Is there a document I am missing?
Thanks for any ideas.

You are correct. This is what I found out:
"Crawling of iFS is not supported in ultrasearch 9.0.2. It is a new feature of 9.0.4"
HOWEVER:
"ultrasearch 9.0.4 only runs with iAS 9.0.4 so you would have to upgrade both. According to my records these products have not been released yet and are due sometime later in the year."

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