"
I had the exact same problem. Even an "allow everything" rule did not help. The only thing which made the gui accessible on OPT1 was changing its port from 443 to something else (4443 for me, still https)
(I know the question is old, but since I only found questions like this and never answers I reply anyway)
(I know the question is old, but since I only found questions like this and never answers I reply anyway)
