Nginx.conf Youtube Caching

user www-data;
worker_processes 4;
pid /var/run/nginx.pid;

events {
        worker_connections 768;
       }

http {

        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        keepalive_timeout 65;
        types_hash_max_size 2048;

        include /etc/nginx/mime.types;
        default_type application/octet-stream;

        access_log /var/log/nginx/access.log;
        error_log /var/log/nginx/error.log;

        gzip on;
        gzip_disable "msie6";
        include /etc/nginx/conf.d/*.conf;
        include /etc/nginx/sites-enabled/*;

server {
        listen 127.0.0.1:8081;
                location / {
                root /usr/local/www/nginx_cache/files;
                try_files "/id=$arg_id.itag=$arg_itag.range=$arg_range.algo=$arg_algorithm" @proxy_youtube;
                        }
                location @proxy_youtube {
        #ganti ip resolver dengan IP dns server yang anda inginkan
                resolver 192.168.0.155;
                proxy_pass http://$host$request_uri;
                proxy_temp_path "/usr/local/www/nginx_cache/tmp";
                proxy_store "/usr/local/www/nginx_cache/files/id=$arg_id.itag=$arg_itag.range=$arg_range.algo=$arg_algorithm";
                proxy_ignore_client_abort off;
                proxy_method GET;
                proxy_set_header X-YouTube-Cache "email@anda.com";
                proxy_set_header Accept "video/*";
                proxy_set_header User-Agent "YouTube Cacher (nginx)";
                proxy_set_header Accept-Encoding "";
                proxy_set_header Accept-Language "";
                proxy_set_header Accept-Charset "";
            proxy_set_header Cache-Control "";
                                }
        }
}