iptables -t nat -I PREROUTING -i tun1 -p udp --dport 65535 -j DNAT --to-destination 10.8.0.2
iptables -t nat -I PREROUTING -i tun1 -p tcp --dport 65535 -j DNAT --to-destination 10.8.0.2

Chain INPUT (policy ACCEPT 423K packets, 52M bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain FORWARD (policy ACCEPT 211K packets, 138M bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain OUTPUT (policy ACCEPT 421K packets, 176M bytes)
 pkts bytes target     prot opt in     out     source               destination