Operating Instructions Cache expiration configuration refers to a set of expiration rules that CDN acceleration nodes follow when caching your business content Log in to the console ->CDN ->Domain name management ->Configuration ->Cache configuration Modify Configuration The basic configuration of cache is divided into three types: default, custom, and origin - Default: The cache expiration time of all resource contents is 30 days by default. This is the default configuration
- Custom: customize the cache expiration rules for the specified resource content. The default is global configuration cache for 30 days. It supports configuration according to file suffix and directory rules.
- Suffix: must start with "." (English dot). Multiple suffixes should be separated by ";" (English semicolon), for example (. png;. jpg;. gif).
- Path: must start with "/" (English slash). Multiple paths should be separated by ";" (English semicolon), for example: (/a/b/c;/d/e/f;/h/i/j). The path cannot contain "." or end with "/".
- A maximum of 15 cache rules can be configured.
- In one cache rule, at most 10 suffixes/paths are separated by ";" (semicolon).
- Time Unit: minute/hour/day; only integer can be entered; the maximum value is 365 days.
- 0 means no cache.
- The priority matching principle shall be adopted from top to bottom.
- Recommended configuration:
- .jpg;. jpeg;. png;. bmp;. gif;. webp;. The ico image type is cached for 1 day.
- .js;. css;. txt;. xml;. shtml;. html;. htm;. csv;. The bat text type is cached for 1 day.
- . m3u8 m3u8 type cache for 1 hour.
- .avi;. mkv;. mp4;. mov;. flv;. rm;. rmvb;. swf;. mp3;. wav;. wmv;. rmi;. Aac audio and video type cache for 7 days.
- .exe;. deb;. ipa;. apk;. sis;. psd;. The dat large file type is cached for 7 days.
- Follow the origin site: the cache expiration time of all resource contents will be synchronized with the origin site.
- Ignore URL parameters: When caching resources, all parameters after the URL "?" are removed for caching. Ignoring all parameters will also result in the failure of FOP functions such as image processing.
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