Now it works, but I had to do not only modprobe ip_nat_pptp also modprobe ip_nat_proto_gre I do not know why. But im lucky it works. Regards, Urban -----Ursprüngliche Nachricht----- Von: Ralf Spenneberg [mailto:lists@xxxxxxxxxxxxxx] Gesendet: Dienstag, 20. Mai 2003 08:16 An: Urban Spielmann Cc: Netfilter Betreff: Re: Multi PPTP clients behind iptables firewall Am Sam, 2003-05-17 um 05.41 schrieb Urban Spielmann: > Hi > > I have Windows-XP-Clients behind a linux firewall ( kernal 2.4.20). I > do VPN over PPTP to a VPN-Server on the internet. > > I configured the iptables and it works fine for ONE client. > > But a second client at the same time does not :-( > > Do I have to use any patches for kernal 2.4.20? Yes. You have to use the nat_pptp module. Depending on your kernel you have to patch and recompile your kernel. You will find the patch on http://www.netfilter.org. Then do a modprobe ip_nat_pptp And it should work. Cheers, Ralf -- Ralf Spenneberg RHCE, RHCX Book: Intrusion Detection für Linux Server http://www.spenneberg.com IPsec-Howto http://www.ipsec-howto.org Honeynet Project Mirror: http://honeynet.spenneberg.org
