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Barracuda NextGen Firewall X

This Firmware Version Is End-Of-Support

As of December 1st, 2018, all new sales for Barracuda NextGen Firewall X Series products have ceased. Only renewals of software and hardware subscriptions for a maximum of one year are available for a limited time. December 1st 2019: All Barracuda Firewall X-Series sales will cease; neither new sales nor any renewals will be available. If you currently hold a maintenance and support contract, you will continue to receive our award-winning support and services until your contract expires, or until the End of Life definition as described in the End of Support and End of Life Information.

How to Configure SSL VPN Access via DynDNS

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You can configure SSL VPN connections to use a DynDNS hostname on the Barracuda NextGen Firewall X-Series instead of an IP address. To enable access to the SSL VPN portal via a DynDNS hostname, enable the DynDNS service. Then, configure an access rule that redirects HTTPS traffic to the SSL VPN service.

Before you begin

  • Configure the SSL VPN service. For more information, see How to Enable SSL VPN and CudaLaunch.

  • On the VPN > Settings page, in the Global Server Settings section, verify that Use TCP Port 443 is set to No.

Step 1. Configure VPN access via a DynDNS hostname

To allow SSL VPN access via a dynamic DNS hostname:

  1. Go to NETWORK > IP Configuration.
  2. In the Dynamic Interface Configuration section, enable Use Dynamic DNS for the required interface.

Step 2. Create an access rule to redirect SSL VPN traffic

Create a Redirect to Service access rule that redirects incoming VPN connections on the dynamic interface to the SSL VPN service:

  1. Go to the FIREWALL > Firewall Rules page.

  2. Add an access rule with the following settings:
    • Name – Enter a name for the access rule. For example, Redirect-to-SSL-VPN.
    • Action – Select Redirect to Service.
    • Source – Select Internet, and click +.
    • Redirected To Service Details – Select SSL VPN.
    • Destination – Select the network object representing your incoming Internet connection, and click +.

    ssl_von_config_02.png

  3. Click Save.

  4. Drag and drop the access rule so that it is the first rule that matches the traffic you want to forward.
  5. Click Save.

Step 3. Access the SSL VPN

End users can now access the SSL VPN portal page via the DynDNS hostname by opening https://sslvpn/..

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