CDN acceleration supports multiple user-defined configurations, which can be set according to your business needs.

Back to source configuration

• Origin: the origin domain name or IP of information resources. It is recommended to use cloud storage as the origin
• Back to source HOST: specify the domain name of the requested server. The default is the acceleration domain name
• Back to source protocol: the protocol requesting back to source. If you need to modify the back to source protocol, please start HTTPS first

Cache Configuration

• Cache time: defines the cache expiration time rule for the specified resource content. The default global cache is 1 month
• Ignore URL: when caching parameter resources, all parameters after the URL "?" are removed for caching, which is not enabled by default

Access Control Configuration

• Referer security chain: configure the black and white list of referers in the Request Header to restrict access to sources, which is not enabled by default
• Time security chain: set the key to control the access time limit of resource content in cooperation with the signature expiration time. It is not enabled by default
• Back to source authentication: configure the back to source authentication strategy to authenticate the access request received by the CDN, which is applicable to scenarios with high real-time requirements for the anti-theft chain. It is not enabled by default
• The black and white list of IP addresses allows or prohibits access to certain IP addresses or IP segments to help you solve malicious IP swiping and attacks. It is not enabled by default

HTTPS configuration

• Enable HTTPS Enable HTTPS security acceleration, support SSL certificate binding and HTTPS status management, not enabled by default
• After forcing HTTPS to be enabled, the HTTP request will be forced to jump to HTTPS for access. When it is closed, it is compatible with the user's HTTP/HTTPS request by default, and it is not enabled by default