gistfile1.txt

#On host machine
iptables -F
iptables -F -t nat
echo 1 >| /proc/sys/net/ipv4/ip_forward
iptables -t nat -A  PREROUTING -p tcp -d  192.168.122.1 --dport 5037 -j DNAT --to localhost:5037
iptables -t nat -A  PREROUTING -p tcp -d  localhost --dport 19000 -j DNAT --to 192.168.122.99:19000
iptables -t nat -A POSTROUTING -j MASQUERADE

#On virtual machine
iptables -F
iptables -F -t nat
echo 1 >| /proc/sys/net/ipv4/ip_forward
iptables -t nat -A  PREROUTING -p tcp -d  localhst --dport 5037 -j DNAT --to 192.168.122.1:5037
iptables -t nat -A POSTROUTING -j MASQUERADE