how to publish vpn server over iptables
i have just installed vpn server with my network system:
(internal)vpnserver---iptables---modem---internet. i have registered dyndynamic succesfull.
vpnserver's ip: 192.168.1.2
iptables' ip: internal 192.168.1.1, external 10.0.0.1
i created uservnpn, nat port 1723, 500, 3389 on iptables, modem. but i cant still connect to vnpserver from internet, please help me.