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预防网站CDN被流量攻击的应对策略

预防网站CDN被流量攻击的应对策略


网站CDN加速与网站SEO优化排名的关系


网站CDN加速与网站SEO优化紧密相连。通过提升网站加载速度、减少服务器负载、优化内容交付、提高安全性和降低跳出率,CDN显著改善了用户体验和搜索引擎对网站的评价,从而有助于提高网站的SEO表现。因此,企业应结合CDN加速和SEO优化策略,全面提升网站的搜索引擎排名和用户体验。


本文介绍网站CDN预防流量被攻击的方法与策略


策略一:配置Referer防盗链

常用的一种配置方法是设置Referer防盗链的白名单,仅允许referer为指定域名(例如:与您的网站业务系统相关的域名)的访问请求,以实现对访客的身份识别和过滤,防止网站资源被非法盗用。详细请参见配置Referer防盗链。


策略二:配置URL鉴权

URL鉴权功能通过阿里云DCDN节点与您的资源站点配合,能够形成更为安全可靠的源站资源防盗方法。详细请参见配置URL鉴权。


策略三:配置IP黑白名单

恶意攻击或者流量突增行为发生以后,您可以通过配置实时日志投递功能查看当前是否存在访问较为高频的IP地址,如果识别出恶意IP地址,那么您可以使用IP黑白名单功能封禁这些恶意IP地址。详细请参见配置IP黑白名单。


策略四:配置UA黑白名单

恶意攻击或者流量突增行为发生以后,您可以通过配置实时日志投递功能查看当前恶意访问行为是否来自某些特定的User-Agent,如果识别出特定的User-Agent,那么您可以使用UA黑白名单功能实现对恶意访问行为的封禁。详细请参见配置User-Agent黑白名单。



转自阿里云,适合阿里云CDN流量攻击预防:https://help.aliyun.com/zh/dcdn/product-overview/configure-high-bill-alerts?spm=5176.11220512.0.0.64e272f0FKDL9X


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