#disallow user agents 
User-agent: Wespe.de                                                                                  # Wespe.de robot - France
User-agent: Yandex                                                                                    # Spider - Russian Search Engine
User-agent: Sosospider                                                                                # China Search Engine
User-agent: moget                                                                                     #Japan
User-agent: ichiro                                                                                    #Japan
User-agent: NaverBot                                                                                  #Korea
User-agent: Yeti                                                                                      #Korea
User-agent: sogou spider                                                                              #china
User-agent: YoudaoBot                                                                                 #China
User-agent: SeznamBot/3.0                                                                        	  #Czech Republic
User-agent: AhrefsBot                                                                                 #Site scrapper from Ukraine
User-agent: GrapeshotCrawler                                                                 		  #UK
User-agent: Mozilla/5.0 (compatible; DotBot/1.1; http://www.opensiteexplorer.org/dotbot, help@moz.com)#Site scraper
User-agent: rogerbot
User-agent: dotbot
User-agent: mj12Bot                                                                                   #UK        
Disallow: /

User-agent: *
Disallow: */_layouts/*