SinatraでWEBrickのDNS逆引きを抑制するサンプル

Sinatra_WEBrick_DoNotReverseLookup.rb

require 'sinatra'                                                                                             
                                                                                                              
class Rack::Handler::WEBrick                                                                                  
  class << self                                                                                               
    alias_method :run_original, :run                                                                          
  end                                                                                                         
  def self.run(app, options={})                                                                               
    options[:DoNotReverseLookup] = true                                                                       
    run_original(app, options)                                                                                
  end                                                                                                         
end                                                                                                           
                                                                                                              
get '/' do                                                                                                
  "hello, world"                                                                                              
end