good-bot.rules

(cf.client.bot) or
(http.user_agent contains "duckduckgo") or
(http.user_agent contains "facebookexternalhit") or
(http.user_agent contains "Feedfetcher-Google") or
(http.user_agent contains "LinkedInBot") or
(http.user_agent contains "Mediapartners-Google") or
(http.user_agent contains "msnbot") or
(http.user_agent contains "Slackbot") or
(http.user_agent contains "TwitterBot") or
(http.user_agent contains "ia_archive") or
(http.user_agent contains "yahoo")