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The following commands configure the cache group cache1 that contains the servers
shown in the figure above and applies the caching policy to the interface ip1:
ia(config)# web-cache cache1 create server-list s1 range "176.89.10.50
176.89.10.54"
ia(config)# web-cache cache1 create server-list s2 list "186.89.10.51
186.89.10.55"
ia(config)# web-cache cache1 apply interface ip1
Note that in this example, HTTP requests from all hosts in the network are redirected as
there are no web-cache permit or web-cache deny commands.
Other Configurations
This section discusses other commands that may be useful in configuring web caching in
your network.
Bypassing Cache Servers
Some Web sites require source IP address authentication for user access, therefore HTTP
requests for these sites cannot be redirected to the cache servers. To specify the sites for
which HTTP requests are not redirected to the cache servers, enter the following
command in Configure mode:
Define destination sites to which
HTTP requests are sent directly.
Proxy Server Redundancy
Some networks use proxy servers that receive HTTP requests on a non-standard port
number (i.e., not port 80). When the proxy server is available, all HTTP requests are
handled by the proxy server. The IA can provide proxy server redundancy by
transparently redirecting HTTP connections to the cache servers should the proxy server
fail. To achieve this, the IA must be configured to redirect HTTP requests on the (non-
standard) HTTP port used by the proxy server.
To redirect HTTP requests to a non-standard HTTP port number, enter the following
command in Configure mode:
Specify non-standard HTTP port.
Internet Appliance User Reference Manual
Chapter 12: Web Hosting Configuration Guide
<cache name>
web-cache
<ipaddr range>|
range
<acl name>
<cache name>
web-cache
number>
create bypass-list
<ipaddr list>|
list
acl
<port
set http-port
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