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Software Secure Firewall Threat Defense
Platform Secure Firewall Threat Defense Virtual
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Access Control DNS Policies How to Create DNS Rules Controlling Traffic Based on DNS List or Feed

Last updated: Jul 29, 2025

Controlling Traffic Based on DNS List or Feed

Procedure

1

In the DNS rule editor, click DNS.

2

Find and select the DNS lists and feeds you want to add from the DNS Lists and Feeds, as follows:

  • To add a DNS list or feed on the fly, which you can then add to the condition, click Add (add icon) above the DNS Lists and Feeds list and proceed as described in Creating Security Intelligence Feeds .

  • To search for DNS lists, feeds, or categories to add, click the Search by name or value prompt above the DNS Lists and Feeds list, then type an object name or the value of one of the object’s components. The list updates as you type to display matching objects.

  • For descriptions of the system-provided threat categories, see Security Intelligence Categories.
3

Click Add to Rule, or drag and drop.

4

Save or continue editing the rule.

What to do next

  • Deploy configuration changes.

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