[pptp-server] forwarding between interfaces

[Chris Tresco]

I just upgraded to kernel 2.4.2 and ppp 2.4.0 and applied the necessary patches.  For some reason...after successfully negotiating a tunnel and whatnot, packets are not being forwarded correctly between ppp0 and eth0.

For example.

from the VPN client. I ping something through the tunnel.  I get "request timed out" which means there is a route, just the reply isn't getting to me.  Also, if I run tcpdump -i ppp0 on the server, I can see the pings going to the correct box I am pinging and getting replied to, just the replies aren't getting back through to the client.  This means that packets arent being forwarded from eth0 -> ppp0 correctly.  What iptables rule will make this happen??  I believed I have tried most of them.

THanks in advance, Chris




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