Server.conf

[Interface]
Address = 10.13.13.1
ListenPort = 42069
PrivateKey =
PostUp = iptables -A FORWARD -i %i -j ACCEPT; iptables -A FORWARD -o %i -j ACCEPT; iptables -t nat -A POSTROUTING -o eth+ -j MASQUERADE
PostDown = iptables -D FORWARD -i %i -j ACCEPT; iptables -D FORWARD -o %i -j ACCEPT; iptables -t nat -D POSTROUTING -o eth+ -j MASQUERADE

#Port forwarding:
PreUp = iptables -t nat -A PREROUTING -d 192.168.0.20 -p tcp --dport 9999 -j DNAT --to-destination 10.13.13.4:8090
PreUp = iptables -t nat -A POSTROUTING -j MASQUERADE
PostDown = iptables -t nat -D PREROUTING -d 192.168.0.20 -p tcp --dport 9999 -j DNAT --to-destination 10.13.13.4:8090
PostDown = iptables -t nat -D POSTROUTING -j MASQUERADE

[Peer]
# peer_MorPi
PublicKey =
PresharedKey =
AllowedIPs = 10.13.13.4/32, 192.168.8.0/24