# "compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm"
# is flooding my site!!!!!
#
User-agent: bingbot

Crawl-delay: 2

User-agent: msnbot

Crawl-delay: 2

User-agent: MSNBot/Bingbot

Crawl-delay: 2

User-Agent: AhrefsBot 
Crawl-Delay: 2