My enhanced Nginx configuration file.

nginx.conf

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
    multi_accept on;
    use epoll;
}


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

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log off;

    sendfile        on;
    tcp_nopush     on;
    tcp_nodelay        on;
    server_tokens off;

    open_file_cache max=1000 inactive=20s;
    open_file_cache_valid 30s;
    open_file_cache_min_uses 2;
    open_file_cache_errors on;

    keepalive_timeout 15s;
    keepalive_requests 10000;
    reset_timedout_connection on;
    client_body_timeout 12s;
    client_header_timeout 12s;
    send_timeout 20s;

    include /etc/nginx/conf.d/*.conf;
}