nginx.conf

user  www-data;

worker_processes  1;

error_log /var/log/nginx/error.log;
error_log /var/log/nginx/error.log notice;
error_log /var/log/nginx/error.log info;

pid /var/run/nginx.pid;


events {
    worker_connections  1024;
}


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

    types_hash_max_size 2048;
    server_names_hash_bucket_size 128;

    #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  logs/access.log  main;

    charset                   utf-8; # adds the line "Content-Type" into response-header, same as "source_charset"
    ignore_invalid_headers    on;

    ## Use sendfile() syscall to speed up I/O operations and speed up
    ## static file serving.
    sendfile on;
    ## TCP options.
    tcp_nodelay on;
    ## Optimization of socket handling when using sendfile.
    tcp_nopush on;

    keepalive_disable         none; # allow all browsers to use keepalive connections
    max_ranges                1; # allow a single range header for resumed downloads and to stop large range header DoS attacks
    msie_padding              off;

    open_file_cache           max=1000 inactive=2h;
    open_file_cache_errors    on;
    open_file_cache_min_uses  1;
    open_file_cache_valid     1h;
    output_buffers            1 512;
  
    postpone_output           1440;   # postpone sends to match our machine's MSS
    read_ahead                512K;   # kernel read head set to the output_buffers
    recursive_error_pages     on;

    ## Request limits
    limit_req_zone  $binary_remote_addr  zone=gulag:1m   rate=60r/m;

    proxy_cache_path /var/nginx/cache/proxy levels=1:2 keys_zone=shrikeh:10m inactive=24h  max_size=32m;
    

    ## Handling of IPs in proxied and load balancing situations.
    set_real_ip_from 0.0.0.0/32; # all addresses get a real IP.
    real_ip_header X-Forwarded-For; # the ip is forwarded from the load balancer/proxy

    ## Define a zone for limiting the number of simultaneous
    ## connections nginx accepts. 1m means 32000 simultaneous
    ## sessions. We need to define for each server the limit_conn
    ## value refering to this or other zones.
    ## ** This syntax requires nginx version >=
    ## ** 1.1.8. Cf. http://nginx.org/en/CHANGES. If using an older
    ## ** version then use the limit_zone directive below
    ## ** instead. Comment out this
    ## ** one if not using nginx version >= 1.1.8.
    limit_conn_zone $binary_remote_addr zone=arbeit:10m;

    pagespeed on;
    pagespeed FileCachePath /var/nginx/cache/pagespeed;  # Use tmpfs for best results.
    pagespeed LowercaseHtmlNames on;

    ## Timeouts.
    client_body_timeout 12;
    client_header_timeout 12;
    keepalive_timeout 10 10;
    send_timeout 10;

    ## Reset lingering timed out connections. Deflect DDoS.
    reset_timedout_connection on;

    ## Body size.
    client_body_buffer_size 10K;
    client_header_buffer_size 1k;
    client_max_body_size 8m;
    large_client_header_buffers 2 1k;

    ## Compression.
    gzip on;
    gzip_static on;
    gzip_buffers 16 8k;
    gzip_comp_level 2;
    gzip_http_version 1.1;
    gzip_min_length 10;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/x-icon application/vnd.ms-fontobject font/opentype application/x-font-ttf;
    gzip_vary on;
    gzip_proxied any; # Compression for all requests.
    ## No need for regexps. See
    ## http://wiki.nginx.org/NginxHttpGzipModule#gzip_disable
    gzip_disable msie6;

    ## Hide the Nginx version number.
    server_tokens off;
        
    ## The server dictates the choice of cipher suites.
    ssl_prefer_server_ciphers on;

    ## Use a SSL/TLS cache for SSL session resume. This needs to be
    ## here (in this context, for session resumption to work. See this
    ## thread on the Nginx mailing list:
    ## http://nginx.org/pipermail/nginx/2010-November/023736.html.
    ssl_session_cache shared:SSL:30m;
    ssl_session_timeout 1d;

    ssl_ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS;

    ## No SSLn or TLSv1 support. Let's keep it current, people.
    ssl_protocols TLSv1.1 TLSv1.2;

    ## Pregenerated Diffie-Hellman parameters.
    ssl_dhparam /usr/local/nginx/dh_param.pem;

    ## Curve to use for ECDH.
    ssl_ecdh_curve secp521r1;

    ## Enable OCSP stapling. A better way to revocate server certificates.
    ssl_stapling on;
    ## Fill in with your own resolver.
    resolver 8.8.8.8 8.8.4.4;

    ## For the filefield_nginx_progress module to work. From the
    ## README. Reserve 1MB under the name 'uploads' to track uploads.
    upload_progress uploads 1m;

    ## Enable the builtin cross-site scripting (XSS) filter available
    ## in modern browsers. Usually enabled by default we just
    ## reinstate in case it has been somehow disabled for this
    ## particular server instance.
    ## https://www.owasp.org/index.php/List_of_useful_HTTP_headers.
#    add_header X-XSS-Protection "1; mode=block";

    ## Enable clickjacking protection in modern browsers. Available in
    ## IE8 also. See
    ## https://developer.mozilla.org/en/The_X-FRAME-OPTIONS_response_header
    ## This may conflicts with pseudo streaming (at least with Nginx version 1.0.12).
    ## Uncomment the line below if you're not using media streaming.
    ## For sites being framing on the same domqin uncomment the line below.
    #add_header X-Frame-Options SAMEORIGIN;
    ## For sites accepting to be framed in any context comment the
    ## line below.
#    add_header X-Frame-Options DENY;

    ## Block MIME type sniffing on IE.
#    add_header X-Content-Options nosniff;

    ## Include the map to block HTTP methods.
    include map_block_http_methods.conf;

    # Support the X-Forwarded-Proto header for fastcgi.
    map $http_x_forwarded_proto $fastcgi_https {
      default $https;
      http '';
      https on;
    }

    ## Include blacklist for bad bot and referer blocking.
    include blacklist.conf;

    ## Allow nginx to act as a proxy
    include reverse_proxy.conf;
    include sites-enabled/*.conf;
}