Firefox and ISA

[bodycare]

We have a ISA server and I can access the Internet fine through the IS server using Microsoft Internet Explorer, but when I try to using Firefox explorer it will not allow me even though I have the proxy set-up within Firefox the same as Internet Explorer.

Can anyone enlighten me on how to get around this problem ??

 

[dkediger]

Any app filters enabled?

I think I've seen over on isaserver.org references that an AIM filter can also get some older Firefox revs due to the Gecko rendering engine.