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Hello everybody,

I connect to the internet through a NetBSD-gateway that has an ISDN card=20
(isic*) and an ethernet card (rtk*), using ipf + ipnat.

Now I want to run GNUtella on my desktop machine, and I want others to=20
be able to connect to my machine.
I tried to allow incoming connection on GNUtella's port in ipf.conf, but=20
if I understand everything correctly, due to ipnat, GNUtella will=20
appear on a different port on my outside ip-adress, and probably on a=20
random one. So allowing incoming connections on GNUtella's port=20
probably won't work anyway.
But if I remember correctly, there's something called port-forwarding,=20
which forwards connection-requests to outside ports to the same ports=20
on internal machines, transparent to the outside machine connecting.

This seems to be exactly what I want to do. I guess this has to be done=20
in ipnat.conf. But how?=20
I see from the man-page this is done with the rdr command. The problem=20
is, since I'm using a dial-up connection, there's no way to know my=20
external ip-adress in advance. Can I use a variable for my external=20
ip-adress?

Thank you very much,

Kind regards,

Benjamin Walkenhorst

- --=20
Benjamin Walkenhorst
eMail: krylon@gmx.net
http://www.krylon.de
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