#/sbin/iptables -t nat -A POSTROUTING -o eth1 -s 10.0.8.0/24 -j SNAT --to 192.168.5.9
iptables -t nat -I POSTROUTING -s 10.8.0.0/24 -d 192.168.5.0/24 -j SNAT --to-source 192.168.5.9
# iptables SNAT rules for OpenVPN addrs routing from 10.8.0.0 to access 192.168.5.0
/sbin/iptables -t nat -I POSTROUTING -s 192.168.5.0/24 -d 10.8.0.0/24 -j SNAT --to-source 10.8.0.1
# iptables SNAT rules to allow connected OpenVPN user to access Internet via 109.104.206.253
/sbin/iptables -t nat -A POSTROUTING -o eth0 -s 10.8.0.0/24  -j SNAT --to 109.104.206.253
##ip r a to 10.8.0.0/24 dev tun0