Hello > ?? You use pptp to access internet? > > > the pptp-server (10.0.0.138) resides in the modem (which is in fact an > > adsl-router and connects over phone-line to the provider). > > Are you sure you do not want to use pppoe instead of pptp? > pppoe is the protocol to use for adsl modems. At least that is > what I'm using with my adsl router. as i heared, tha practice to use pptp for internet-connection is only used by providers in austria, maybe germany. I just read it's also possible to use pppoe with my provider recently. I'm going to try this.
> > > There are however a couple of things that I do not understand. > > > * Why do you have a gateway to eth0? > > otherwise the tunnel breaks. there would be no route to 10.0.0.138. > > > * Why don't you allow incoming packets from ppp0. I actually > > > think that pptp can require that. > > Sorry, I think i said it wrong. Of course, packages over open > > ip-connections and requested packages are allowed to come in. Otherwise > > i could not use the internet. > > I don't allow packages, that request connections or echos etc. > > That still may be a problem as the tunneling protocol is not based > on tcp or udp. > > tcp, udp, icmp and gre (the tunneling protocol used by pptp) are all > protocols that are on top of ip. > > You normally give firewall rules for tcp, udp and icmp. But some > rules can affect the gre protocol as well. I don't think firewalling is the problem, since in general internet works. Regards, Robert -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
