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The DNS Filter monitors DNS queries on UDP port 53 and will pass the DNS query
information to the WCF (web content filter) to help with categorizing HTTPS URL's.
Note: For DNS filter must use the WCF service profile to filter the packets, therefore
WCF license must be activated first. Otherwise, DNS filter does not have any effect on
packets.
In the following example, we will block search engine (e.g., www.google.com) and social
networking website (e.g., https://facebook.com).
1. Open CSM>>Web Content Filter Profile to set the categories. Make
sure WCF License has already been activated.
2. Click Index 1 link to open the following page. Disable all of the categories first. Then,
enable Search Engine, Portals, and Social Networking.
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Vigor2132 Series User's Guide
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