Install 6tunnel by entering the following commands in the terminal:
sudo apt update sudo apt install 6tunnel
TCP proxy for non-IPv6 applications
6tunnel allows you to use services provided by IPv6 hosts with IPv4-only applications and vice versa. It can bind to any of your IPv4 or IPv6 addresses and forward all data to IPv4 or IPv6 host. . It can be used for example as an IPv6-capable IRC proxy.