> I have a dachstein-rc2 firewall PPTP-ADSL setup. I cannot get port
forwarding to work.
> My interfaces are: eth0 (10.0.0.100) which is connected to an ADSL modem
at 10.0.0.138. The external if is eth1 at 192.168.1.1 ,with a built in hub
which connects to the internal network 192.168.1.2, 192.168.1.3,
192.168.1.4. The pptp connection creates a ppp0 interface at a semi-dynamic
IP adress (when I switch off the modem, the ip-adress could be changed. I
hardly ever switch off the modem.) The FTP server is at 192.168.1.4. I can
connect to it locally, but when I try to connect to it via the ppp0
interface the connection is started but it hangs forever. When I switch on
SNMP_BLOCK=YES the connection is refused. The ip_masq_ftp and ip_masq_portfw
are loaded at boot together with all interfaces, but the ppp0 interface is
started later on.

If your public interface is 10.0.0.100, you're sitting in private IP space,
and probably can't port-forward anything from the internet without getting
your ISP to port-forward packets to your firewall first :(

Charles Steinkuehler
http://lrp.steinkuehler.net
http://c0wz.steinkuehler.net (lrp.c0wz.com mirror)



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