Depending on your firewall requirements and Tableau version, you will have to follow one of two paths.
1) If you do not require static IP addresses:
Tableau 2019.2 requires access to:
Tableau 2019.1 and earlier require access to:
2) If you do require a static IP address:
- Please follow the instructions here https://community.tableau.com/docs/DOC-10159
Thanks Ashwin - it was api.mapbox.com which needed to be permitted. All solved now and looks great.
Let's get mapping!