seebug的反爬蟲技術初探

1.經過request庫沒法直接爬取，返回521html >>> import requests >>> req = requests.get('https://www.seebug.org/vuldb/ssvid-92666') >>> req.headers {'Date': 'Wed, 07 Jun 2017 08:44:51 GMT', 'Transfer-Encoding': 'chun

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