Nothing strange, if you enable secure http access you need to port-forward port 443.
When i'm on my own lan everything works well especially, i don't have to specify secure access
i've this NAS since approximately 1 Year and it worked fine without ssl access or any 443 port-forward !!
and this is what is STRANGE
i think that something changed since the previous beta firmware (as i said before everything worked flawessly with 2.0)
Another problem i had with the firmware 2.02 (not on 2.0) but i've solved it,
is the 0 bytes files after copying/moving with a tool like Supercopier
to solve this issue i muist disable supercopier and move file with the native copy command of windows :-)
Another strange bug perhaps with the way that CFS on the NAS works