Configuring Perimeter 81 Site-To-Site with Untangle NG Firewall

This guide explains how to integrate Untangle NG Firewall with Perimeter 81


Steps for configuring it:

  1. In the Apps page install the Application IPSec.

  2. Enable the IPsec VPN application
  3. Create a new IPSec Tunnel clicking on Add

  4. Fill the configuration screen as seen in the image below. Please contact to Perimeter 81 Support to receive your Pre Shared Secret Key at
  5. Click Done. Click Save
  6. Check the Tunnel Status, should be Active

  7. To allow the connected clients to access the internal LAN, create a rule in the firewall clicking on Add

  8. Add the LAN subnet of address the perimeter 81 tunnel side will provide (
  9. Enable the rule by clicking Done.
  10. Click on Save to Apply the new rule
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