Specify the inbound port that the Host will use for direct connection (TCP 5650 by default). Additionally, you can enable IPv6 support and system firewall integration at each startup.
This port is NOT used for an Internet-ID connection. See Ports for more information on the ports used by the program.
If your Host computer is connected to the Internet via a proxy server, you might need to specify your proxy server settings here. Learn how to configure access via a proxy server.
The callback connection (also known as reverse connection) lets you establish a direct connection between Viewer and Host using the Viewer's external IP address if the Host computer is not directly accessible (hence "reversed" or "callback"). Learn how to configure a callback connection.