搜索 - 科创

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过去几年来，KC一直受到低流量DDos攻击，起初行为类似爬虫，近期行为更接近于“刷流量”。早年由于攻击源的IP数量较少，每个IP重复多次，采用了单IP限频次等办法对抗，效果较好。

造成这种情况当然有多种原因，譬如很多人把论坛和博客的衰亡归咎于其从电脑端转战智能手机端的失败过渡，把社交平台中严重受限的留言板功能解释为对粗俗内容以及钻空子、刷流量等恶意行为的防范。

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