In the era of big data, data has become the core competitiveness of a company, how to deal with the web spider becomes more and more serious in the network, especially there are a lot of bad network spiders, often with hundreds of requests repeatedly crawling on enterprise website, it will affect the speed of access to web site, and even cause the whole network disabled, how to anti the spider is very important.%在大数据时代，数据已成为一个公司的核心竞争力，如何应对网络中日益严重的爬虫行为，特别是网络上有很多糟糕的爬虫，经常并发成百上千个请求循环重复抓取，对企业网站往往是毁灭性打击，如何反爬虫就显得非常重要。
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