I think i got it. I had to add the following directive under the server
{ } heading:
recursive_error_pages on;
I'm checking the access logs, and I'm seeing the third one now (ipA :
ipB : ipC), and it's also returning the file correctly. I hope this is
the right way.
Posted at Nginx Forum: http://forum.nginx.org/read.php?2,229402,229405#msg-229405