Evaluates whether range origin fetch is enabled for each domain name accelerated by Alibaba Cloud CDN (CDN). A domain name with range origin fetch enabled is considered compliant.
Scenarios
When a point of presence (POP) sends a back-to-origin request that includes the Range header, the origin server returns only the specified byte range to the POP. This is called range origin fetch. Range origin fetch improves content delivery efficiency by increasing cache hit ratios, reducing origin traffic and server load, and accelerating resource responses.
Risk level
Default risk level: low.
You can change the risk level when you configure this rule.
Compliance evaluation logic
A domain name accelerated by CDN is compliant if range origin fetch is enabled.
Rule details
|
Item |
Description |
|
Rule name |
cdn-domain-range-enabled |
|
Rule ID |
|
|
Tag |
CDN |
|
Automatic remediation |
Not supported |
|
Trigger type |
Configuration change |
|
Supported resource type |
ACS::CDN::Domain |
|
Input parameter |
None |
Non-compliance remediation
Enable range origin fetch for each domain name accelerated by CDN. For more information, see Configure range origin fetch.