i installed the OpenVPN Script from Nyr which works perfectly, now i want to forward Gameserver Ports like ‘25565’ (for Minecraft Server) and 7777.

My System runs Ubuntu 14.04 x64

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no ideas how i can do this with iptables? I tried this with tcp and udp:

sysctl -w net.ipv4.ip_forward=1
        iptables -t nat -A PREROUTING -d serverip -p tcp --dport 25565 -j DNAT --to-dest
        iptables -t nat -A POSTROUTING -d -p tcp --dport 25565 -j SNAT --to-source

but it won’t work