Thank-You I will try that.
On Tue, 2004-03-02 at 10:04, Brian Cluff wrote:
> It appears you have half of it right. What you're missing is the rule
> to make your forwarded traffic from 192.168.1.2 look like it's coming
> from 192.168.1.1. Try something like: (May contain typos... but it will
> at least point you in the right direction)
>
> iptables -t nat -I PREROUTING -d 192.168.1.1 -p tcp --dport 110 -j DNAT
> --to 192.168.1.2
> iptables -t nat -I POSTROUTING -s 192.168.1.2 -j SNAT --to 192.168.1.1
>
> Also make sure that you have forwarding turned on, and that should be
> all there is to it...
>
> Brian Cluff
>
> elemint@hotpop.com wrote:
> > I am trying to port forward on tcp port 110 but I keep getting
> > "telnet: Unable to connect to remote host: Connection refused"
> >
> >
> > backround information:
> > localhost 192.168.1.1
> > email server 192.168.1.2
> >
> >
> > I get connection refused when I try any of the following commands
> >
> > telnet localhost 110
> > telnet 192.168.1.1 110
> >
> > The only one that works is telnet 192.168.1.2 110
> >
> >
> > The command to configure port forwarding:
> > iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 110 -j
> > DNAT --to-destination 192.168.1.2
> >
> >
> >
> >
> >
> > The output from iptagbles -L -t -nat
> >
> > DNAT tcp -- anywhere anywhere tcp dpt:pop3
> > to:192.168.1.2
> >
> >
> > I have also looked at tcpdump but there are no headers that come across
> > the interface when I get an access denied, so it seems the kernel might
> > be stopping it before it gets on the wire.
> >
> >
> >
> >
> > Jim
> >
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