FortiGate SSL VPN Internal DNS Resolution v5.4

FortiGate SSL VPN Internal DNS Resolution v5.4

You’ve setup your FortiGate firewall, configured SSL VPN and deployed your clients.  Your users can log in but they need to use fully qualified domain names to resolve hosts internally.

To create a better user experience, you want to append your DNS domain name to your SSL VPN users when they connect, just like when they are in the office.  It’s pretty straight forward assuming you already have SSL VPN configured, if you don’t follow this guide:

FortiGate SSL VPN v5.4

From the CLI enter the following commands replacing DOMAIN.COM with your internal DNS domain name:

  • config ssl vpn settings
  • set dns-suffix DOMAIN.COM
  • end

That’s it!

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