问题分析通过阿里云CDN访问出现5xx错误，在响应的Response Header里的X-Swift-Error字段会有相关的错误，例如forward retry timeout或者orig response 5xx error，同时用curl测试或者浏览器Network开发者模式下可以看这个请求...

CDN访问异常篇之508错误

问题场景用户使用阿里云CDN加速服务以后出现508错误。我们先来看一下，Http_code 508的定义：The server terminated an operation because it encountered an infinite loop while processing a re...

CDN访问异常篇之404错误

问题现象通过CDN加速以后，出现访问404 not found的情况。问题原因如果是通过监控发现404的错误，则可以通过CDN的日志去确认出现404的URL。如果已知404的URL，则可以绑定源站去测试确认资源是否存在，通常可能有以下几种原因。源站资源不存在请参考CDN加速域名绑定Host到...

CDN访问异常篇之403错误

概述 CDN访问出现403通常情况下可能是由以下几种情况导致的，我们可以打开浏览器开发者模式，切换到Netwrok标签页以后重新请求异常的URL，复现403的问题，然后在Headers下查看CDN返回的Response Header，通过这个信息我们可以判断这个403错误是什么原因引起的。本文会对这...

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