Cache HTTP error responses
You can cache error responses sent from your origin to reduce the number of calls to origin when content is not available.
On the Caching
settings page, in the Cache HTTP error
responses section, set the Enable switch to
A group of configuration parameters appears.
In the Max
age field, enter the maximum time for caching HTTP error
Note: You can specify this parameter in seconds, minutes, hours, or days. In each case, the value must be between 1 and 1000000.
- To preserve expired objects when revalidation with the origin server is not possible, set the Preserve stale objects switch to Yes.
Configure downstream caching