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Barracuda CloudGen Firewall

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How to Create a Custom Application Object

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If the default Application Control 2.0 pattern database does not include an application that you want to use in your application rules, you can create a custom application object. Select a template for an existing application and configure it to match the application that you want to drop, throttle, prioritize, or report.

Create a Custom Application Object

  1. Open the Forwarding Rules page (Config > Full Config > Virtual Servers > your virtual server > Assigned Services > Firewall).
  2. In the left menu, expand Firewall Objects and select Applications.
  3. Click Lock.
  4. Create the custom application by either right-clicking the table and selecting New > Custom Application or using the icons in the top-right area of the rule set. 
  5. Select an application to customize and click OK.
  6. You can customize the following settings for the application:
    • Name – The name of the application.
    • Comment – Additional information about the application.
    • Category – The category of the application.
    • Risk – The risk level of the application, from 1 (low) to 4 (high).
    • Properties – The properties of the application.
    • Application Name – If you want to customize specific components of the application, add the component names. To get the name of a component, go to the Firewall > Monitor page, click the application, and see the Deep Application Control window in the Application Statistics section. Examples:
      • Facebook – Use the canvas name of the FB application:<canvasname>.
      • SSL – Create matching criteria based on X.509 certificate content.
      • Web browsing – Create matching criteria based on URL host ( or URL path (/images?/)
  7. Click Save.

The following figure displays the process for creating a custom application.


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