Make sure you open these ports:
ufw allow 21114:21119/tcp
ufw allow 8000/tcp
ufw allow 21116/udp
sudo ufw enable
Disable iptables
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -F
iptables --flush
Also enable the ports in the default security list for the subnet.
![](https://blog.anichin.com/wp-content/uploads/2024/05/image-1024x476.png)