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Barracuda CloudGen Firewall

This Firmware Version Is End-Of-Support

Documentation for this product is no longer updated. Please see https://campus.barracuda.com/doc/71862301/ for further information on our EoS policy.

How to Create and Activate a Dynamic Firewall Rule

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Dynamically activated rules are flagged by the clock icon. Dynamic firewalls rules prevent the security vulnerabilities caused by forgetting to revoking service access that is needed only temporarily. If you create a dynamic rule, it is inactive by default and can be enabled on demand for a configured time span.

Create a Dynamic Firewall Rule

  1. Open the Forwarding Rules page (Config > Full Config > Virtual Servers > your virtual server > Assigned Services > Firewall).
  2. Click Lock.
  3. Edit the firewall rule you want to make dynamic.
  4. Enable Dynamic Rule.
     FW_Dynamic.png
  5. Click OK.
  6. Click Send Changes and Activate.

Enable and Disable Dynamic Rules via NG Admin

  1. Open the Dynamic page (FIREWALL > Dynamic).
  2. Double click a dynamic rule to open the Change Dynamic Rule dialog.
    dyn.jpg

  3. Select Enable to enable the rule.
  4. If you want the rule to be enabled temporarily enter the time span in the Timer section.
  5. Select an action from the Action on expiry drop down list. 

    • Enable – Enables the firewall rule.
    • Disable – Disables the firewall rule.
    • Disable & Terminate – Disables the rule and terminates all existing connections based on this rule.
    • Block – Blocks all traffic matching this rule explicitly.
    • Block & Terminate – Blocks all traffic matching this rule and terminates all existing connections based on this rule explicitly.
    • None – None.
  6. Click OK.
  7. Click Send Changes and Activate.

Enable and Disable Dynamic Rules via SSL VPN Desktop and Mobile Portal

Create a dynamic firewall rule resource to be able to use the web interface to enable or disable dynamic firewall rules on the SSL VPN desktop or mobile portal.

For more information, see  and Mobile Portal User Guide.

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