Change ports in firewall

Install & Config
#1 
sudo ufw allow 3478/udp
sudo ufw allow 5349/tcp

Source: Self-Hosting Guide - Debian/Ubuntu server | Jitsi Meet

We’re helping a company setting up a Jitsi server and now we wonder, can we change these ports in Jitsi to other ports?

#2

What is the issue? Is there another service which uses the same ports on the same host?

#3

Excuse me for bad English! The problem is that our client, another company, has strict rules when it comes to the port strategy and they don’t accept or wish for traffic at other ports than “secure” ports, so to speak.

#4

You can use TCP/443 for both jitsi-meet and TURNS at the same time.

But what about UDP/10000? Does your customer allow to use it?