CDN加速后源站本来有的etag字段消失了，这是什么问题？
CDN加速后源站本来有的etag字段消失了，这是什么问题？
版权声明：本文内容由阿里云实名注册用户自发贡献，版权归原作者所有，阿里云开发者社区不拥有其著作权，亦不承担相应法律责任。具体规则请查看《阿里云开发者社区用户服务协议》和《阿里云开发者社区知识产权保护指引》。如果您发现本社区中有涉嫌抄袭的内容，填写侵权投诉表单进行举报，一经查实，本社区将立刻删除涉嫌侵权内容。
-
阿里云ping https://ping.gaomeluo.com/aliyun/
建议排查是否开启了cdn的 gzip功能
因为Nginx的默认行为就是这样，同时开启gzip和etag，就直接不用etag了。以下是Nginx文档原文：
The issue was discussed over several forum threads and trackers. It appeared that Nginx deliberately strips ETags once gzip is applied,The motivation behind was that ETag should serve as a byte-accurate comparison, and since the result of gzip is not guaranteed to be identical under different configurations, ETag is no longer a strong validator and Nginx decided that it was simpler to remove it as opposed to converting it to a weak one.
2019-07-17 21:57:50赞同 展开评论