sysctl -w net.ipv4.ip_forward=1
iptables -P FORWARD DROP
iptables -A FORWARD -i eth0 -o eth1 -s 192.168.0.2 -d 10.0.0.0/24 -p all -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT
iptables -A FORWARD -i eth1 -o eth0 -s 10.0.0.0/24 -d 192.168.0.2 -p all -m state --state ESTABLISHED,RELATED -j ACCEPT