Under "Enable URL Rewriting" i have it @ NOMick wrote: ↑Tue Dec 03, 2019 2:23 pmIt seems fine to me using safari both mobile and desktop and FF desktop with or without the portal. I notice you have cookie secure disabled, that needs enabling as your using ssl. See Knowledge Base - Fixing incorrect cookie settings.
What setting have you got for "Enable URL Rewriting" under server settings in the ACP?
Try browsing to the board and portal without app.php in the url, does that make any difference?
Do you see any error messages?
Presumably this is a free host?