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Install OPNsense

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After creating the .env file, it must be loaded, then the Terraform Script can be run.

  1. Get a Service Account Key from the Service account documentation and save the output as JSON into the secrets.json file (overwrite all the content in the file).
  2. Run Terraform:
    Terminal window
    terraform init # Just the first time
    terraform apply
  3. After executing these commands you are able to login to the WebUI via the FloatingIP on port 443 (https) and login with the admin:STACKIT123! credentials.

Default OPNsense Settings

Section titled “Default OPNsense Settings”

To start right away with your OPNsense Appliance we introduced the following default settings.

Interface Mapping: - The first interface vtnet0 is bound to WAN - The second interface vtnet1 is bond to LAN

Firewall - To get to the WebUI we added a firewall rule that allow access from all wan IPs (It is recommended to change this after the first setup). - Disabled the HTTP Referrer check

NAT: Outbound NAT rule to allow the LAN network to get internet access.

Admin Password: Changed the default password for the admin user