User-agent: Googlebot
User-agent: Slurp
User-agent: msnbot
User-agent: Mediapartners-Google*
User-agent: Googlebot-Image
User-agent: Yahoo-MMCrawler
Disallow: 

User-agent: Yandex
Disallow: /
User-agent: SemRush
Disallow: /
User-agent: baiduspider
Disallow: /
User-agent: bytespider
Disallow: /
User-agent: ec2
Disallow: /

User-agent: *
Disallow: /bot-trap