[pptp-server] pptp portforwarding

Scott M. Stone sstone at taos.com
Sun Mar 19 15:08:57 CST 2000


On Sun, 19 Mar 2000, Heusden, Folkert van wrote:

> Hi,
> 
> On our intranet, we're running an NT-server capable of ding pptp.
> I've been trying to get pptp working on the linux-box, but couldn't
> get it to work, so I decided to have the router (linux) forward it's
> incoming pptp-connections to the nt-box, as it does with smtp and
> pop3-sessions. Should do, shouldn't it?
> Ok, I got these firewall-rules:
> PPTP forwarding:
> /sbin/ipchains -I input -p tcp -y -d __INTERNET_IP_ADDRESS__/32 1723 -m 1
> /usr/sbin/ipmasqadm mfw -A -m 1 -r __IP_ADDRESS_FOR_THE_NT_BOX__ 1723 -p 10
> /sbin/ipchains -I input -p 47 -d __INTERNET_IP_ADDRESS__/32 -m 2
> /usr/sbin/ipmasqadm mfw -A -m 2 -r __IP_ADDRESS_FOR_THE_NT_BOX__ -p 10
> but that doesn't seem to work.
> Anyone got any suggestions?

you have to forward GRE..

--------------------------
Scott M. Stone, CCNA <sstone at taos.com>
UNIX Systems and Network Engineer
Taos - The SysAdmin Company 





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