I am a newbie ... Some tutorial to do this?? I have redhat 8.0, some rpm with pptp nat connection tracking?? I read in some site that i must recompile the kernel??? Or only iptables??? I am a bit confussed! -----Mensaje original----- De: netfilter-admin@xxxxxxxxxxxxxxxxxxx [mailto:netfilter-admin@xxxxxxxxxxxxxxxxxxx] En nombre de Antony Stone Enviado el: divendres, 14 / maig / 2004 12:40 Para: netfilter@xxxxxxxxxxxxxxxxxxx Asunto: Re: Iptables do nat with Protocol 47 or GRE On Friday 14 May 2004 11:24 am, Sez wrote: > Hi people, > > I have a a vpn server in my Intranet. If i want access to this server > i will pass my firewall. > > The diagram is > > VPN_CLIENT(W2k box) ---- router ---- (192.168.55.94 eth0) FIREWALL > (192.168.55.95 eth1)-------- (192.168.55.92)VPN_SERVER > > I create all iptables rules and VPN_CLIENT can connect to server. One > client go well. But if another client try to connect he has this error > *** error 721: Remote server don't response. *** Are you using the PPTP NAT connection tracking helper module? If not, you will not be able to support more than one connection at a time. Regards, Antony. -- There are two possible outcomes: If the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery. - Enrico Fermi Please reply to the list; please don't CC me.