如果你上线比较大型的互联网项目或者游戏，常常会被同行恶意寻找第三方团队攻击，这个时候你就要保护你的服务器的IP不会被攻击，导致IP瘫痪，导致你的项目访问不了，就需要用到阿里云DDOS高防IP。使用DDoS高防（新BGP）或DDoS高防（国际）服务过程中的具体功能点差异，并非作为您选择服务的依据。一般情况下建议您为部署在中国内地地域的业务开通DDoS高防（新BGP）服务，为部署在中国内....

问答 2022-04-15 来自：开发者社区

DDoS高防CNAME接入流程

DDoS高防IP目前支持CNAME接入和A记录接入两种方式，推荐方式为CNAME接入。什么是CNAME？ CNAME是DNS的别名记录，可以理解为一个跳转。例如，域名 www.abc.com, 对应的真实源站IP为1.1.1.1，对应的CNAME为abcde12345.alicloudddos.com。那么，使用A记录时，DNS将 www.abc.com A记录解析到 1.1.1.1；...

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更新时间 2024-06-24 09:28:27

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