Siang Master,
Langsung aja ke error log nginx saya :D
2014/12/01 13:54:31 [error] 3594#0: *1 open() "/home/heru/pub_html/index.php" failed (13: Permission denied), client: 10.10.6.142, server: nheru.me, request: "GET /index.php HTTP/1.1", host: "nheru.me"
/etc/nginx/nginx.conf
user nginx...