Default Configuration File

Last modified: August 2, 2017
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The following values are the default configuration of NGINX;

# Server globals
user  nginx;
worker_processes  auto;
worker_rlimit_nofile  65535;
error_log /var/log/nginx/error.log crit;
pid /var/run/nginx.pid;


# Worker config
events {
  worker_connections  1024;
  use epoll;
  multi_accept  on;
}


http {
  # Main settings
  sendfile  on;
  tcp_nopush  on;
  tcp_nodelay on;
  client_header_timeout 1m;
  client_body_timeout 1m;
  client_header_buffer_size 2k;
  client_body_buffer_size 256k;
  client_max_body_size  256m;
  large_client_header_buffers 4 8k;
  send_timeout  30;
  keepalive_timeout 60 60;
  reset_timedout_connection on;
  server_tokens off;
  server_name_in_redirect off;
  server_names_hash_max_size  512;
  server_names_hash_bucket_size 512;


  # Log format
  log_format  main  '$remote_addr - $remote_user [$time_local] $request '
  '"$status" $body_bytes_sent "$http_referer" '
  '"$http_user_agent" "$http_x_forwarded_for"';
  log_format  bytes '$body_bytes_sent';
  #access_log  /var/log/nginx/access.log main;
  access_log off;


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


  # Compression
  gzip  on;
  gzip_comp_level 9;
  gzip_min_length 512;
  gzip_buffers  8 64k;
  gzip_types  text/plain text/css text/javascript text/js text/xml application/json application/javascript application/x-javascript application/xml application/xml+rss application/x-font-ttf image/svg+xml font/opentype;
  gzip_proxied  any;
  gzip_disable  "MSIE [1-6].";


  # Proxy settings
  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_pass_header Set-Cookie;
  proxy_connect_timeout 90;
  proxy_send_timeout  90;
  proxy_read_timeout  90;
  proxy_buffers 32 4k;


  # Cloudflare https://www.cloudflare.com/ips
  set_real_ip_from 199.27.128.0/21;
  set_real_ip_from 173.245.48.0/20;
  set_real_ip_from 103.21.244.0/22;
  set_real_ip_from 103.22.200.0/22;
  set_real_ip_from 103.31.4.0/22;
  set_real_ip_from 141.101.64.0/18;
  set_real_ip_from 108.162.192.0/18;
  set_real_ip_from 190.93.240.0/20;
  set_real_ip_from 188.114.96.0/20;  
  set_real_ip_from 197.234.240.0/22;
  set_real_ip_from 198.41.128.0/17;
  set_real_ip_from 162.158.0.0/15;
  set_real_ip_from 104.16.0.0/12;
  set_real_ip_from 172.64.0.0/13;
  #set_real_ip_from 2400:cb00::/32;
  #set_real_ip_from 2606:4700::/32;
  #set_real_ip_from 2803:f800::/32;
  #set_real_ip_from 2405:b500::/32;
  #set_real_ip_from 2405:8100::/32;
  real_ip_header CF-Connecting-IP;


  # SSL PCI Compliance
  ssl_session_cache shared:SSL:10m;
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  ssl_prefer_server_ciphers on;
  ssl_ciphers  "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";


  # Error pages
  error_page  403  /error/403.html;
  error_page  404  /error/404.html;
  error_page  502 503 504  /error/50x.html;


  # Cache settings
  proxy_cache_path /var/cache/nginx levels=2 keys_zone=cache:10m inactive=60m max_size=1024m;
  proxy_cache_key "$host$request_uri $cookie_user";
  proxy_temp_path  /var/cache/nginx/temp;
  proxy_ignore_headers Expires Cache-Control;
  proxy_cache_use_stale error timeout invalid_header http_502;
  proxy_cache_valid any 1d;


  # Cache bypass
  map $http_cookie $no_cache {
  default 0;
  ~SESS 1;
  ~wordpress_logged_in 1;
  }


  # File cache settings
  open_file_cache  max=10000 inactive=30s;
  open_file_cache_valid  60s;
  open_file_cache_min_uses 2;
  open_file_cache_errors off;


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