Use PHP to upload files, and then generate a thumbnail. The thumbnail access is normal, and the uploaded file access nginx prompts 403 error:

2014/12/19 14:41:41 [error] 19433#0: *16 open() "/var/www/uploads/files/gmail-theme-tree.png" failed (13: Permission denied)

View file permissions:

-rw-r--r--. 1 www-data www-data 178878 Dec 19 14:48 gmail-theme-tree.png
-rw-r--r--. 1 www-data www-data   2729 Dec 19 14:48 gmail-theme-tree-_x22.png

Above gmail-theme-tree-_x22.png The access is normal, gmail-theme-tree.png The access prompt is "403 Forbidden".

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