# ban Yandex
User-agent: Yandex
Disallow: /
Crawl-delay: 20   # delay 20sec

# ban YandexBot
User-agent: YandexBot
Disallow: /
Crawl-delay: 20  # delay 20sec

# general
User-Agent: *
Disallow:
Sitemap: http://cobecos.jrc.ec.europa.eu/sitemap.xml