Page Rules allow you to configure MerlinCDN to interact with your origin server in certain ways. You can specify path patterns and add, update, manage behavior policies for requests based on the path pattern.
You can create page rules with the values and parameters explained below.
Note: While most of the policies apply to both Static and Dynamic Distributions, they have some exclusive policies that can be configured.
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Parameter |
Explanation |
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Choose origin |
You may have multiple origins specified for a distribution. Specify the origin to relate with the page rule you are working on. |
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Decide on Path Pattern |
Specify which path pattern or directory you want this page rule to apply to. |
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Choose policy options |
Policy options are the backbone of your distributions that are listed as follows |
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Deny connection |
Yes or No depending on whether you require to deny connections to a specified path pattern. |
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Allowed HTTP methods |
Specify HTTP methods that will be allowed on requests to your origin. Options are as follows. You can set multiple methods. HEAD OPTIONS PUT POST PATCH DELETE |
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Cache TTL |
Specify the default duration, in seconds, that you want MerlinCDN to keep files in its caches before it forwards another request to your origin to determine whether the file has been updated. |
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Query string forwarding and caching |
Specify whether you want MerlinCDN to forward query strings to your origin and cache content based on query strings. |
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Forwarded cookies |
You can configure MerlinCDN to cache different versions of your content based on the values of query string parameters. Specify whether you want MerlinCDN to forward cookies and how to forward them to your origin server. Only for Dynamic distributions. |
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Cache based on selected request headers |
Specify whether you want MerlinCDN to cache files based on the values of specified headers. Only for Dynamic distributions. |
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Background cache update |
Specify whether you want MerlinCDN to update the background cache. Only for Dynamic distributions |
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Add CORS header |
Specify whether you want MerlinCDN to add CORS header to client requests routed to your origin. |
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Hide client user agent |
You can configure MerlinCDN to hide the client user agent on the requests routed to your origin server. |
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Browser cache TTL |
You can configure Browser cache TTL the same as Cache TTL or specify whether you want files to stay in browser caches for a different duration than they stay in MerlinCDN caches. |
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Cacheable HTTP Methods |
Only responses to the selected HTTP methods are cached. |
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Minimum Request Count for Cache |
You can specify the minimum number of requests to cache an object. |
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