anchor.diff:        <%- if @non_ssl_port %>
       server {
         listen <%= @non_ssl_port %> default_server;
  -      server_tokens off;
         server_name _;
         return 404;
       }
  
positive.code: 
      server {
        listen <%= @ssl_port %> ssl;
        server_tokens off;
  
        ssl_certificate <%= @ssl_certificate %>;
        ssl_certificate_key <%= @ssl_certificate_key %>;
  
negative.code: }
  
  http {
    server_tokens off;
  
  <% if node['private_chef']['nginx']['log_x_forwarded_for'] -%>
    log_format opscode ' $http_x_forwarded_for- $remote_user [$<%= @helper.time_format %>]  '
  