Dear All ,
I got few problems on my RedHat Linux V9.0 .
My network diagram had been shown as below .
[OFFICE ] 3 x PPTP Client <====> [IPTABLES ROUTER ] Redhat Linux
9.0 <=====> [HOME] Internet PPTP Server .
I found that my office client only password allow 1 x PPTP client
connect to my home PPTP server . And not possible allow more than 1 users
connect to the same PPTP server
I found few website that's about this issues include
PPTP Caller ID issues :
http://sourceforge.net/docman/display_doc.php?docid=14460
<http://sourceforge.net/docman/display_doc.php?docid=14460&group_id=44827>
&group_id=44827
PPTP Through iptables firewall :
https://lists.netfilter.org/pipermail/netfilter/2003-February/041869.html
<https://lists.netfilter.org/pipermail/netfilter/2003-February/041869.html>
And lots of VPN MASQ How-to .
But the problems seems can't be fix .
I try to :
1. Apply patch-o-matic-20030912.tar.tar
2. mv patch-o-matic to /usr/src
3. cd /usr/src/patch-o-matic
4. export KERNEL_DIR="/usr/src/linux-2.4"
5. export IPTABLES_DIR="/usr/src/iptables-1.2.7a"
6. ./runme extra/pptp-conntrack-xxx.patch <-- I forgot this .
7. Recomplie the kernel . <=== I can't find Caller ID MASQ in menuconfig
8 . cd /usr/src/iptables-1.2.7a
9. make && make install
10 . make the new kernel work and vi /etc/grub.conf
11. Apply nessary firewall scripts and modprobe ip_nat_proto_gre and
modprobe ip_nat_pptp
12. And add /sbin/iptables -A FORWARD -p 47 -j ACCEPT and /sbin/iptables -A
FORWARD -p tcp --dport 1723 -j ACCEPT
13. When I starting up more than one users connect to my home pptp server I
found there got some error message appear in the firewall screen "
ip_conntrack_c xxx csum error "
My home PPTP server is running pptpd-1.1.3-20030409.tar.gz which had been
apply MPPE128 Kernel Patch .
Is there anyone know that how can I make " CALLER ID APPEAR " ?
Also how can I make multi-pptp client pass through my Linux router connect
to my Home PPTP server ? Please notice that my home pptp server is running
boardcast IP address without any FIREWALL .
Many thanks all of your help .
Thanks and best regards
Specialized Technology Resources HK Ltd
MIS Department - System Administrator
E-mail : Data.Leung@xxxxxxxxx : +852 24188040
Data Leung
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