I think you were saying you are using Cloudflare tunnels…so I’m going to assume you are not using Portainer to manage the networking parts.
That means you should be able to leave the traefik section alone - it is a reverse proxy and will be listening on ports 80 and 443 of your host- your tunnel settings need to reflect that.
If you want traefik to listen on other numbered ports to match you tunnel settings, then change accordingly.