server {
        include         listen.conf;
        server_name     ucenter.it.net.cn;

        location ~ .php$ {
            limit_conn   one  20;
            limit_rate   50k;
            proxy_pass http://s1;
            include proxy.conf;
        }

        location / {
            expires max;
            root /data/nginx_cache/ucenter;
            proxy_store on;
            proxy_store_access user:rw group:rw all:rw;
            proxy_temp_path /data/nginx_cache/ucenter;
            include proxy.conf;
            if ( !-e $request_filename) {
            proxy_pass  http://s1;
            }
        }
}

#######################
## 附 proxy.conf 内容 ##
#######################

proxy_redirect          off;
proxy_set_header        Host $host;
proxy_set_header        X-Real-IP $remote_addr;
proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header        Accept-Encoding 'gzip';
client_max_body_size    100m;
client_body_buffer_size 256k;

proxy_connect_timeout   60;
proxy_send_timeout      60;
proxy_read_timeout      60;
proxy_buffer_size       512k;
proxy_buffers           8 512k;
proxy_busy_buffers_size 512k; proxy_temp_file_write_size 512k;