Setting up site-to-site on Untangle NG

Note: If you are unsure whether site-to-site is the best solution for you, please take a look at our Remote Access article first. What is more, if your device/service supports SHA256 and DH group 14, it is recommended to use these settings instead.


1. On the Apps page install the Application IPSec

2. Enable the IPsec VPN application


3. Create a new IPSec Tunnel by selecting Add


4. Fill in the information as seen in the image below. Please generate a Pre Shared Secret Key (we will also need this value on our end)

5. Select Done and then Save

6. Check the Tunnel Status; it should be Active


7. Select Add to create a rule to allow the connected clients to access the internal LAN


8. Add the LAN subnet of the address the NordLayer tunnel side will provide (


9. Enable the rule by selecting Done


10. Select Save to apply the new rule



Ending note:

In order to finalize the site-to-site setup on our end, we will need these values:

  • Pre-shared key - you can generate it or we can provide it
  • Encryption  details (AES, SHA and DH group) - AES256, SHA256 and DH group 14 are recommended (also must support IKEv2)
  • Remote gateway/router public IP (must be reachable while connected to the dedicated server)
  • Remote subnet and mask (the subnet is used in your local network)

Lastly, it is important to know what device or cloud network is being used (Ubiquiti, Fortigate, AWS, Google Cloud, etc.)

You can provide all of these values to us securely via

In case you are experiencing different results, make sure that you have you carefully gone through all the steps. Having said that, in case the issue persists please feel free to contact our 24/7 customer support team.

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