location /download/premium/ {
            limit_req zone=one burst=5;
            limit_conn addr 8;
            rewrite ^/download/([^/]+)/([^/]+)/([^/]+)/([^/]+)/([^/]+)/([^/]+)/(.*)$ /v1/AUTH_system/$2/$3/$7?temp_url_sig=$4&rate_limit=$5&temp_url_expires=$6&type=$1 break;
            proxy_pass        http://127.0.0.1:8080; 
            proxy_set_header Host      $host;
            proxy_set_header X-Real-IP $remote_addr;
        }
        location /download/free/ {
            limit_req zone=one burst=5;
            limit_conn addr 1;
            rewrite ^/download/([^/]+)/([^/]+)/([^/]+)/([^/]+)/([^/]+)/([^/]+)/(.*)$ /v1/AUTH_system/$2/$3/$7?temp_url_sig=$4&rate_limit=$5&temp_url_expires=$6&type=$1 break;
            proxy_pass        http://127.0.0.1:8080; 
            proxy_set_header Host      $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

limit_conn addr 1;