Outlook Web Access through a router ? *resolved*

Got an odd problem.
When connecting through my router to my exchange server through port 85, I connect initially and exchange asks me for my username and password (via IE's own password request thing).
Then after I put in the right password im brough to a page that should be displaying the outlook web access thang.

But it would appear that instead of the port number im supposed to be using being kept, I think IE is being told to just use port 80.
Now the router operates on port 80 for administrative purposes.

So when IE is told to get some mad weird complex page link, its going through on port 80 and the router hasn't a clue what's going on.


Any thoughts ?