#disallow some

User-agent: ia_archiver
Disallow: /

User-agent: SurveyBot_IgnoreIP
Disallow: /

User-agent: SurveyBot
disallow: / 

User-agent: SurveyBot/2.3 (Whois Source)
Disallow: /

User-agent: VoilaBot
Disallow: / 

User-agent: DotBot
Disallow: / 

User-agent: cuil.com
Disallow: / 

User-agent: Yandex
Disallow: / 

User-agent: Yandex/1.01.001 (compatible; Win16; P)
Disallow: /