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Web Proxy Caching > Pinning content in the cache
Pinning content in the cache
Help | Content Gateway | Version 8.1.x
The cache pinning option configures Content Gateway to keep certain HTTP objects (and FTP objects requested from HTTP clients) in the cache for a specified time. Use this option to ensure that the most popular objects are in the cache when needed and that the proxy does not delete important objects from the cache.
 
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Note 
The proxy observes Cache-Control headers and pins an object in the cache only if it is cacheable.
To use cache pinning, perform the following tasks:
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Set cache pinning rules in the cache.config file. See Setting cache pinning rules.
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Enable the cache pinning option. See Enabling cache pinning.

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Web Proxy Caching > Pinning content in the cache
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