From the docs:
For nodes installed before the Traefik 3.0.0 release, the same requirement applies to port 80. Starting from new installations of Traefik 3.0.0, only port 443 is required.
From the docs:
For nodes installed before the Traefik 3.0.0 release, the same requirement applies to port 80. Starting from new installations of Traefik 3.0.0, only port 443 is required.