pfsense-netbox-sync

Allows to synchronize NetBox IPAM DNS information to a pfSense instance. This allows automatic DNS resolution on the pfSense based on the DNS names stored in Netbox.

How does it work?

This script work by pulling IP addresses with DNS name from NetBox (source of truth) and create/update/delete corresponding DNS entries on pfSense DNS resolver.

Installation

Configuration

On NetBox

You'll need to create a dedicated user (ex: pfsense-netbox-sync) on your NetBox instance and then create a read only API token.

The following env variables will need to be set:

• NB_API_URL: The URL to your NetBox instance. (ex: https://netbox.example.org)
• NB_API_TOKEN: The token created previously. (ex: f74cb99cf552b7005fd1a616b53efba2ce0c9656)

On pfSense

pfSense does not provide any REST API out of the box. Therefore, you'll first need to install the pfrest package.

Once it's done you can create a user dedicated for this application (ex: pfsense-netbox-sync). You'll then need to grant the account all permissions for /api/v2/services/dns_resolver/* (Effective Privileges in the user page).

Note: You should restrict API access to the IP who are using it.

The following env variables will need to be set:

• PF_API_URL: The URL to your pfSense instance. (ex: https://fw.example.org)
• PF_API_USER: The username of the account created previously. (ex: pfsense-netbox-sync)
• PF_API_PASS: The password of the account created previously. (ex: MQILv21OJIJ_x4dO0hZgJtwl)

Executing the script

You can then execute the script using the following command:

PF_API_URL=xx PF_API_USER=xx PF_API_PASS=xx NB_API_URL=xx NB_API_TOKEN=xx python3 -m app

The script will indicate any change made.