Blue Coat OPT-1000-2499-3YR User Manual download pdf (Page 35)

3.6.2. Creating a response modification service (RESPMOD

)

Create a new Service Farm a shown in the following figure:

In the services box the ICAP request URL should be specified, for example:

icap://192.168.0.111:1344/respmod_netcache on

Note that the IP corresponds to the IP of the machine where OPTENET was installed and

that /respmod_netcache was used as the route. It is CRITICAL that this naming is used

for the correct integration of the ICAP server OPTENET uses with NetCache.

You have to create two Service Farms because OPTENET unlike most filtering systems

analyses the content downloaded from the internet permitting the pages to be categorized

according to the context or detect the true file type if this has been renamed. The first

Service Farm means that when NetCache receives a request, before attending it, it sends

the requested URL to OPTENET so that it can decide if access should be allowed. This

decision is taken into account by checking the URL against the OPTENET database and

analysing the actual URL.

The second Service Farm means that when NetCache retrieves a content from the

Internet, before storing it in its cache, it sends the content to OPTENET. OPTENET will

analyse it and it will decide if it should be allowed or blocked.

Once the Service Farms have been defined, you should indicate which requests the filter

will be applied to. To do this, go to the Access Control List option and configure as shown

in the figure:

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Blue Coat OPT-1000-2499-3YR User Manual Page 35