External Dynamic List for URLs

Use external dynamic lists in URL filtering profiles instead of block or allow lists for custom URL control that doesn’t require making changes on the firewall.
To protect your network from new sources of threat or malware, you can use External Dynamic Lists in URL Filtering profiles to block or allow, or to define granular actions such as continue, alert, or override for URLs, before you attach the profile to a Security policy rule. Unlike the allow list, block list, or a custom URL category on the firewall, an external dynamic list gives you the ability to update the list without a configuration change or commit on the firewall. The firewall dynamically imports the list at the configured interval and enforces policy for the URLs (IP addresses or domains will be ignored) in the list. For URL formatting guidelines, see URL Category Exception Lists.

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