iptables -t NAT -A POSTROUTNING -s 10.23.0.0/21 -d ! $LAN_NET -o $WAN_DEV -j SNAT --to $WAN_IP
iptables -t NAT -A POSTROUTNING -s 10.23.10.0/24 -d 195.XXX.XXX.34 -o $WAN_DEV -j SNAT --to $WAN_IP