User-agent: discoverybot*
Disallow: /
User-agent: 008*
Disallow: /	
User-agent: Atomic_Email_Hunter*
disallow: /
User-agent: SiteBot*
disallow: /
User-agent: Larbin* 
disallow: /
User-agent: Nutch*
disallow: /
User-agent: Libwww* 
disallow: /
User-agent: AhrefsBot*
disallow: /
User-agent: Java/1.7.0_04
User-agent: Java/1.6.6_26
User-agent: Java/1.6.6_26
disallow: /
User-agent: CFNetwork*
disallow: /
User-agent: PaperLiBot
disallow: /
User-agent: Xenu Link Sleuth 
disallow: /
User-agent: slurp
Crawl-delay: 60 
User-agent: *
Crawl-delay: 1
User-agent: *
disallow: /my-course/course-rules-2019
disallow: /my-course/course-rules-2020
disallow: /my-course/course-rules-2021