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You can deploy and test the following Azure Firewall preview features. Some preview features are available on the Azure portal, and some are only visible by using a feature flag.
Important
These features are currently in preview. See the Supplemental Terms of Use for Azure Previews for legal terms that apply to Azure features that are in beta, preview, or otherwise not yet released into general availability.
Feature flags
As Microsoft releases new preview features, some of them require a feature flag. To enable the functionality in your environment, turn on the feature flag for your subscription. These features apply at the subscription level for all firewalls (virtual network firewalls and SecureHub firewalls).
This article is updated to reflect the features that are currently in preview with instructions to enable them. When the features move to general availability (GA), they're available to all customers without the need to enable a feature flag.
Preview features
The following features are available in preview.
Explicit proxy (preview)
When you set the Azure Firewall Explicit proxy on the outbound path, you can configure a proxy setting on the sending application (such as a web browser) with Azure Firewall configured as the proxy. As a result, traffic from a sending application goes to the firewall's private IP address, and therefore egresses directly from the firewall without using a user-defined route (UDR).
Next steps
To learn more about Azure Firewall, see What is Azure Firewall?