[plug] iptables question

Rennie rennie.barnett at gmail.com
Thu Dec 15 14:44:35 WST 2005

Hi All,

I've got iFolder up and running it seem to be very good and just the
thing I've been after for ages.

At home I have the server behind a Linksys linux based
modem/wireless/router. I have the wife's powerbook's iFolder client
pointed at our external static ip address - 210.xxx.xxx.xxx:8086. With
the modem/router set to forward all trafic coming to 210.xxx.xxx.xxx
port 8086 throught to my iFolder server - all seems to work well. The
PowerBook see the server from inside the home network and also from
the wider internet (except UWA - another story).

My problem is that I can't figure out how the get our Debian gateway
machine here at work to do the same thing as what my modem/router is
doing - i.e. route traffic from within the network (192.168.xxx.xxx)
who's destination is the external interface back to an internal
machine (only for port 8086).

It works fine if the iFolder traffic is coming from the internet att
large to the external IP - i.e. is forwarded to appropriate internal
machine etc...but not if the traffic originates from any
192.168.xxx.xxx addresses.

If I can get it working the iFolder can work from laptops that are
internal or external with no changes to setting.

Does anybody know what iptable magic might fix this situation?



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