vm port forwarding

[Ludo-code]

Hello, i have wanted to know how can i with cockpit expose a port of my vm to access my game server from the dns name :)

If anyone have an idea it's would be nice...

I have tried this but request are not routing to the vm
sudo iptables -t nat -A PREROUTING -p tcp --dport 25565 -j DNAT --to-destination 192.168.122.253:25565
sudo iptables -t nat -A POSTROUTING -p tcp -d 192.168.122.253 --dport 25565 -j SNAT --to-source mypublicip
sudo iptables -A FORWARD -p tcp -d 192.168.122.253 --dport 25565 -j ACCEPT

I have tried reverse proxy witch apache2 but in my case is not http or https so doesn't work...