How to change nginx username?

Question

Nginx

How to change username in nginx. now it works as "nobody".
I want it to work as "www".
OS = Mac os 10.8
I change /opt/local/etc/nginx/nginx.conf
user www www; (user www; also tried).
All the same the server works as nobody.
After the changes, the server restarted.

Answer 1

my cant.
nginx works as it should. This is php-fpm running as nobody.