Hey, on the documentation website from BigBlueButton it wants you to open these ports. Keep in mine port 22 isn't required.
These should be opened to the internet. You can also test if the firewall is working with the examples they give in the documentation.
(https://docs.bigbluebutton.org/2.2/configure-firewall.html#testing-the-firewall)
When BigBlueButton is protected behind a firewall, you need to configure the firewall to forward the following incoming connections to BigBlueButton:
Hey!I am running BBB on a virtual server behind a firewall. I have opened all ports specified in the installation guide. They all should be open both ways. I went through the troubleshoot guide and checked about:webrtc on firefox browser and I noticed that webRTC tries to connect to my PC from ports 62675, 56297 or 58233 UDP ports. Do I need to open all UDP connections from the server to the internet or can I somehow setup the system that they will connect to the user from the same port range that is opened for the server? There should be some information in the documents on what ports should be opened towards the internet.