User-agent: Yeti
Disallow: /

User-agent: baiduspider
Disallow: /

User-agent: baiduimagespider
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: BaiduImagespider
Disallow: /

User-agent: yodaobot
Disallow: /

User-agent: YodaoBot
Disallow: /

User-Agent: Openbot
Disallow: /

User-Agent: fast
Disallow: /

User-agent: http://www.almaden.ibm.com/cs/crawler 
Disallow: /