User-agent: *
Sitemap: https://products.drweb.com/sitemap.xml
Allow: /
Disallow: /register/getserialinfo
Disallow: /register/get
Disallow: /*?ph=*
Disallow: /*?siteact=*
Disallow: /*&ph=*
Disallow: /*&siteact=*

User-agent: Yandex
Host: https://products.drweb.com
Sitemap: https://products.drweb.com/sitemap.xml
Allow: /
Disallow: /register/getserialinfo
Disallow: /register/get
Disallow: /*?ph=*
Disallow: /*?siteact=*
Disallow: /*&ph=*
Disallow: /*&siteact=*

# ok