i am sorry, i means i want : if file exists on frontend server, then output it, don't through backend. not only tar file. and make these uri for diffrent cache time: /post/name/ cache 30 days /list/name/ cache 1 day /index.html cache 1 hour other cache 10 minutes how can i do this? Posted at Nginx Forum: http://forum.nginx.org/read.php?2,226787,226789#msg-226789