Instead of trying to debug this config issue in a bug report thread, could you join #nginx on irc.freenode.net? We can work through your issue there and then just summarize the resolution here.
-- Michael Lustfield -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org