@NogBadTheBad:
Why do you keep posting the same question in multiple sections.
https://forum.pfsense.org/index.php?topic=143715.0
https://psiphon.ca/en/faq.html#port-restrictions
It uses the following ports by the look of things, they've chosen these ports for a reason the red ones specifically will cause you issues if you block them.
53, 80, 443, 465, 587, 993, 995, 8000, 8001, 8080
I am sorry For that