Setting Up Cache Control; Creating A Cache Control List - 3Com SUPERSTACK 3 WEBCACHE 3000 User Manual

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Cache Control
Setting Up Cache
Control
Creating a Cache
Control List
H W S A
OW EB ITES RE
Cache Control allows you to control the caching behavior of the
Webcache for specific Web sites. Cache control works in any deployment
mode and has two functions:
Cache Control can be used to reduce traffic across your WAN network
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and improve response time to your clients by pinning content for a
period of time between an hour and a week. The Web sites that are
pinned when requested by a client will be served from the Webcache
without checking if the content has changed.
Cache Control can also be used to prevent the caching of Web sites
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that do not work correctly if cached. For example, if you believe a Web
site is returning expired content, you may wish to ensure it is not
cached by including it in the Cache Control list.
Unlike Cache Bypass, requests made to Web sites marked Never Cache
are still subject to Content Filtering, as described in
also recorded in the Access Log.
To set up Cache Control using the Web interface:
1 Log in to the Web interface.
2 Click Caching on the Toolbar.
3 Select Cache Control > Setup Cache Control in the Navigation Tree.
4 Check Enable Cache Control.
You will be warned that entries in the Cache Control list will not take
effect until cached objects are cleared with the Clear Cache command.
5 Click OK to save your changes.
You must clear cached objects before the current Cache Control list can
take effect. If you are going to further configure Cache Control, for
example by adding or removing domains from the list, you may want to
wait until you have completed those tasks before clearing the cache.
To clear the cache see
You can create a list of the domain names, IP addresses or IP address
ranges of Web sites that you want to prevent from being cached or have
pinned in the following ways:
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"Clearing the Cache"
Chapter 10, and are
on page 186.