Re: Access VNC Server via DNAT

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----- Original Message ----- 
From: "Joel Pearson" <pearj@xxxxxxxxxxx>
To: <netfilter@xxxxxxxxxxxxxxxxxxx>
Sent: Saturday, September 20, 2003 7:26 PM
Subject: Access VNC Server via DNAT


> Hey,
>
> I have a vnc server that is on my local lan at home that I'd like to be
able
> to access from the internet via my internet gateway linux box.  I've read
a
> little bit about it but I can't get my gateway to forward to ports, I've
> tried this:
> iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 5904 -s
192.168.0.2 -j
> DNAT --to 192.168.0.25:5904

If your internet interface is eth0, you need to do
/sbin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 5904 -j
DNAT --to-destination 192.168.0.25

Please note the above rule will allow you to connect only from internet.

> But it says it can't connect to the server. At the moment I'm just trying
to
> get the port forwarding to work on my local lan, but it doesn't seem to be
> working. I've read of people haveing this working using a somewhat similar
> iptables command, is there some module I'm supposed to load to make this
> happen?  My server is running RedHat 8 with iptables v1.2.6a
>
> Does anyone know why this isn't working?
>
> Thanks
>
> Joel
>

Venkatesh K



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