On Wed, 2004-12-08 at 14:24, Ausi wrote: > Hi, > I need PPTP connection tracking on my Mandrake 10.0 NAT router. > Because there are more private VPN Clients accessing the same public VPN > Server. > > What I did: > With "urpmi kernel-source" I got the Mandrake 2.6.3-19 kernel sources > RPM installed. Already patched for PPTP conntrack. > > I configured it including GRE and PPTP support. After compiling and > restarting I can modprobe "ip_conntrack_pptp" and it's getting properly > loaded including the module "ip_conntrack_proto_gre". > > But when a VPN Client now tries to connect to the VPN Server through my > NAT router, the router freezes immediatly. uh--that sounds pretty drastic...not saying this will fix it, but did you also: modprobe ip_nat_pptp modprobe ip_nat_proto_gre > So I thought, maybe I have to recompile iptables and downloaded version > 1.2.11 from netfilter.org. > But when I do a make in the iptables folder I end up with this: i think this may not be the best first step... <snip> > Here's my iptables configuration, too: > (eth0 is the public interface to the server, eth1 is the private nic) > > # Generated by iptables-save v1.2.9 on Wed Dec 8 21:10:06 2004 > > *filter > > :INPUT ACCEPT [11277:2168399] > > :FORWARD DROP [696:122385] > > :OUTPUT ACCEPT [4197:782834] > > [0:0] -A INPUT -i eth1 -p udp -m udp --dport 67 -j ACCEPT > > [3:234] -A INPUT -i eth1 -j DROP > > [6024:3135556] -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT > > [56:3568] -A FORWARD -d vpn-server -i eth1 -o eth0 -p tcp -m tcp --dport 1723 -j ACCEPT how come there's no: -A FORWARD -d vpn-server -i eth1 -o eth0 -p 47 -j ACCEPT > > COMMIT > > # Completed on Wed Dec 8 21:10:06 2004 > > # Generated by iptables-save v1.2.9 on Wed Dec 8 21:10:06 2004 > > *nat > > :PREROUTING ACCEPT [3345:534190] > > :POSTROUTING ACCEPT [29:6416] > > :OUTPUT ACCEPT [737:180585] > > [711:174322] -A POSTROUTING -o eth0 -j MASQUERADE > > COMMIT > > # Completed on Wed Dec 8 21:10:06 2004 -j -- "When will I learn? The answer to life's problems aren't at the bottom of a bottle, they're on TV!" --The Simpsons