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 From:  Eternal Security <veptune at wanadoo dot fr>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Problem with PPTP VPN (problem of newbie :)
 Date:  Thu, 10 Jun 2004 15:54:07 +0200 (CEST)
Hello all.

I have a big problem with my VPN PPTP

Here is my network:



			VPN user (local adress 10.0.0.0/8 , vpn adress 192.168.0.192/28
					|
					|
					|
	router of customer (named router 2)
					|
					|
					|
				     INTERNET
					|
					|
					|
					|-interface wan : public adress
				 m0n0wall
					|-interface lan : 192.168.0.1
					|
					|
				 192.168.0.0/24 network
					|
					|
					|-interface : 192.168.0.2
		    my router (named router 1)
					|-interface : 10.10.5.1
					|
					|
				  10.0.0.0/8 network


On monowall, i have a vpn using PPTP. User authentification is OK.
When a vpn user connect to the VPN, he get an adress in the range 192.168.0.192/28

The vpn user can ping the lan interface of monowall and it can ping 192.168.0.3 which is "the IP
address the PPTP server should use on its side for all clients" but it can't ping 192.168.0.2 !
And monowall can of course ping 192.168.0.2 (and 10.10.5.1)

In my firewall rules, i allow all traffic from pptp client and from lan.

I have no trace on firewall logs.

I m sure that routing table from router 1 is ok.

Do u know where is the problem ?

And i have another question, if this problem is solved, and if my vpn user is in a local network in
the range 192.168.0.0/24, when he will send packets, i think they're will go to the local network,
not to the VPN :( , how to solve it ?

thanks in advance for any help, sorry for my english it is not my primary language.