Installation of Untangle NG Firewall on Vault

Last Updated On April 16, 2019
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Untangle NG Firewall is a network security application. The home web site is at this link. Untangle NG version 14.1.2 has been successfully installed and deployed on the FW1, FW4, and FW6 series of the Vault. Before installing Untangle NG, verify that the Vault has been equipped with the appropriate hardware. See the hardware requirements as published by Untangle at this link. The steps to download and install Untangle NG Firewall are below.

Note:  Please see the BIOS Compatibility at the bottom of this article before starting the installation.

  • Download software from this link
  • Select “IMG (USB Image)” for Image Format
  • Verify an uncompressed file of about 700 MB named “untangle_1412_x64.img” or similar is downloaded
  • Create a bootable USB with the ISO image using Rufus or similar tool, see this link
  • Install the USB into an FW6 series Vault
  • Connect the Vault to the network via the WAN port that is connected to a network with DHCP enabled
    • Note: Untangle downloads files from the internet during installation
  • Power on and verify the Vault boots to the USB
  • Select “Graphical Install”
  • Select “Language”, “Location”, and “Keyboard”
  • Follow the prompts and on screen installation instructions to continue the installation and initial configuration
  • Verify Untangle is successfully installed
  • Verify the Configuration starts
  • When configuring Settings, in the Network Card table, note that the port named “External” with device “eth0” is the “WAN” port on the Vault. The port named “Internal” with device “eth1” is the “LAN” port on the Vault.
  • The default for the External port IP Address is DHCP
  • The default for the Internal port is static IP Address of and is a DHCP server
  • Verify the configuration completes successfully
  • Select the default applications and verify that they are downloaded successfully
  • Verify the Untangle NG firewall dashboard is displayed on the monitor or console used for the installation
  • Verify that you can browse to via the “Internal” or “LAN” port and login using the password assigned during the installation
  •  For more information on what Untangle can do please refer to this link There is a video overview at the end of the page. Here is a link to their Wiki page for additional information. link


Untangle NG Firewall Dashboard

VaultUntangle Version(s)BIOS - LegacyBIOS - UEFIBIOS - coreboot
FW113.1.0, 14.1.2TestedNot Supported by UntangleN/A
FW213.1.0, 14.1.2TestedNot Supported by UntangleN/A
FW4A13.1.0, 14.1.2TestedNot Supported by UntangleN/A
FW2B13.1.0, 14.1.2TestedNot Supported by UntangleTested
FW4B13.1.0, 14.1.2TestedNot Supported by UntangleTested
FW6A13.1.0, 14.1.2TestedNot Supported by UntangleN/A
FW6B13.1.0, 14.1.2TestedNot Supported by UntangleN/A
FW6C13.1.0, 14.1.2TestedNot Supported by UntangleN/A