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Purpose: Determines the default max-age interval for edge server to origin server cache revalidation. In other words, the amount of time that will pass before an edge server will check whether a cached asset matches the asset stored on the origin server.
This action does not affect browser to edge server cache revalidations.
Browser to edge server revalidation is determined by the Cache-Control or Expires headers sent to the browser, which can be customized with the External Max-Age feature.
Configure this feature by performing the following steps:
Select the status code for which this default internal max-age policy will be applied.
This feature is only applicable when the response to the request results in the selected status code.
Due to the manner in which cache settings are tracked, this feature cannot be associated with the following match conditions:
Default Value: Requests that do not provide a max-age indication via either their Cache-Control or Expires header will be assigned a default internal max-age interval of 7 days.