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Product Manuals and Release notes
With a DNS security profile, you can filter DNS to allow or deny specific DNS query types, and to deny specific DNS OpCodes. The DNS security profile is attached to, and works with, a local traffic DNS profile to configure a range of DNS settings for a virtual server. Use DNS protocol filtering:
In this task, you create a DNS security profile and configure DNS security settings at the same time. However, you can also configure settings in a DNS security profile that already exists.