User-agent: ia_archiver
Disallow: /
User-agent: SurveyBot
Dissallow: /
User-agent: SurveyBot/2.1
Dissallow: /
User-agent: SurveyBot/2.2
Dissallow: /
User-agent: SurveyBot/2.3
Dissallow: /
User-agent: AboutUsBot 
Disallow: /