ASP.NET pages with nginx

[parnican]

I have played with this command: sudo fastcgi-mono-server4
/applications=/bernolak.dyndns.info:8080:/:/var/www/demo/
/socket=tcp:127.0.0.1:9000 /logfile=/var/log/mono/fastcgi.log /printlog=True
&

Is it possible that i don't have VPath:realpath configured correctly? If not
what is my VPath? I have there just :realpath 

FATAL UNHANDLED EXCEPTION: System.ArgumentException: Should be something
like [[hostname:]port:]VPath:realpath

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,247323,247366#msg-247366