The arianne site needs a web master link.
The web page:
links to screen shots that give forbidden
errors when you try to view them:
You seem to have CSS turned off.
Please don't fill out this field.
looking at the dir perms, i would suspect that the need to be set o+x, assuming that PHPnuke runs as another user.
2nd time I fix this week, one more and I remove all the permisions on the whole tree for ppl to upload things by SCP there... :-\
Fixed, please report this kind of things using Bug tracker for faster ( even faster ) support.