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This is part of my ongoing series “ Start-up Lessons. &# If you want to subscribe to my RSS feed please click here or to get my blog by email click here. To the best of my knowledge US law allows you to work on your own resources and in your own hours and let you personally own your IP. Make sure you own your IP.
This article is a practical guide designed to help webmasters who already know what they want to block. As I mentioned toone user who asked me for help, trying to block all undesirable bots from your site is like trying to rid the world of pests.Swat one, and another few will take its place. They look like "127.0.0.1". htaccess ".
While handling bots, you should detect search engine crawlers, too: /* lookup your crawler IP database to populate $isCrawler; then, if the IP wasnt identified as search engine crawler: */ if ($isCrawler !== from the IP address range 65.52.0.0 Other rogue bots identify themselves by IP addy, user agent, and/or referrer.
ThingFetcher sometimes requests a (shortened) URI 30 times per second, from different IPs. A method to verify the bot All IP addresses used by a bot should resolve to server names having a unique pattern. For example Googlebot comes only from servers named "crawl" + "-" + replace($IP, ".", "-") + ".googlebot.com"
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