Bingbot
Bingbot is a web-crawling robot, deployed by Microsoft October 2010 to supply Bing. It collects documents from the web to build a searchable index for the Bing. It performs the same function as Google's Googlebot.
A typical user agent string for Bingbot is "Mozilla/5.0 ". This appears in the logs to tell the webmaster who is requesting a file. Each webmaster is able to use the included agent identifier, "bingbot", to disallow or allow access to their site. If they don't want to grant access they can use the Robots Exclusion Standard to block it, or use other server specific means.
