NETGEAR UTM25-100NAS - Prosecure Utm Appliance 25U No Sub Included Reference Manual page 191

ProSecure Unified Threat Management UTM10 or UTM25 Reference Manual
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Figure 6-11 [Content Filtering, screen 3 of 3]
3. Enter the settings as explained in Table 6-8 on page 6-28.
Content Filtering and Optimizing Scans 6-27
v1.0, September 2009