Configuring Websense Enterprise Content Filtering

Websense Enterprise is a third-party Internet filtering package that allows you to use Internet content filtering through the SonicWALL.

1
Navigate to the Security Services > Content Filtering page.

2
Select Websense Enterprise from the Content Filter Type drop-down menu. The CFS Policy Assignment drop-down menu no longer displays.
3
Click Configure to display the Websense Properties dialog.

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NOTE: You specify enforcement of content filtering on the Network > Zones page.
4
Configure the following options in the Settings section:
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Server Host Name or IP Address - Enter the host name or IP address of the Websense Enterprise server used for the Content Filter List.
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Server Port - Enter the UDP port number for the SonicWALL to listen for the Websense Enterprise traffic. The default port number is 15868.
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User Name - To enable reporting:
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Of users and groups defined on the Websense Enterprise server, leave this field blank.
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By a specific user or group behind the SonicWALL, enter the user name configured on the Websense Enterprise server for the user or group. If using:
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NT-based directories on the Websense Enterprise server, the user name is in this format: NTLM:\\domainname\username.
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LDAP-based directories on the Websense Enterprise server, the user name is in this format: LDAP://o-domain/ou=sales/username.
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IMPORTANT: If you are not sure about the entering a user name in this section, leave the field blank and consult your Websense documentation for more information.
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Enable HTTPS Content Filtering – Select if using HTTPS content filtering. The default is not selected (disabled).
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Enable Websense probe monitoring – Select if using Websense probe monitoring. The default is not selected (disabled).
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Check Server every – Enter the interval, in seconds, for the firewall to probe the Websense Server. The default value is 10 seconds.
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Deactivate Websense after missed probes – Enter the maximum number of probes that can be missed before Websense Enterprise server filtering is deactivated. The default number is 3 missed probes.
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Reactive Websense after successful probes – Enter the minimum number of sequential probes that are successful to reactive Websense Enterprise server filtering after it has been deactivated. The default number is 2 successful probes.
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If Server is unavailable for (secs) or deactivated (due to missed probes) - Defines what action is taken if the Websense Enterprise server is unavailable. The default value for timeout of the server is 5 seconds, the minimum is 1 second, and the maximum is 10 seconds.
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Block traffic to all Web sites - Selecting this option blocks traffic to all Web sites except Allowed URLs until the Websense Enterprise server is available. This is the default.
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Allow traffic to all Web sites - Selecting this option allows traffic to all Web sites without Websense Enterprise server filtering. However, Forbidden URLs and Keywords, if enabled, are still blocked.
5
Configure the following option in the URL Cache section:
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Cache Size (KB) - Configure the size of the URL cache in KB. The default is 50 KB.
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TIP: A larger URL cache can result in noticeable improvements in Internet browsing response times.
6
Click OK.