The settings in this rule can be utilized, or different cache rules can be configured to be
processed before the default rule. This can be useful in scenarios where different cache
policies are created for different clients, such as forcing caching for clients in the internal
network, but turning it off for servers in the DMZ. To create a cache rule, perform the
following steps:
1. In the Tasks pane of the Cache node, click the link labeled Create a Cache Rule.
2. Enter a descriptive name for the cache rule and click Next to continue.
3. Click the Add button to define to which source network entities the cache rule
will apply.
4. Select the source network, network sets, computers, or other network objects from
the list and click Add for each one. Click Close when finished.
5. Click Next to continue.
From the subsequent dialog box, shown in Figure 8.6, the rule can be configured to
modify the behavior of how cached objects are returned to the requestor. The three
options are as follows:
. Only if a Valid Version of the Object Exists in the Cache. If No Valid Version
Exists, Route the Request to the Server??”In this scenario, which is the default
option, a requesting client has a cached object returned only if the object exists in
the cache and has not expired.
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