Terminal Services Advanced Client

I have deployed the use of the Web enabled terminal services on a windows 2000 seerver running IIS 5.0. It works fine BEHIND my Linksys router but when I try to access the page on the PUBLIC side or wan side of the router it doesn’t function. I’ve port forwarded to the private side server on port 80 inside the router(I’ve done this before on my Linux box w/ Apache and it works FINE!) and it doesn’t work. I’ve also called Linksys and they feel that it is an Windows IIS issue.

any help would be greatly appreciated…
Thanks