Re: PREROUTING to a non local subnet

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Hello

Nobody knows if it possible ?


Le 09/09/2013 16:34, Manu a écrit :
Hello

I'm running iptable v1.4.7 on a linux with two NIC.
One has adress 192.168.1.31 (the lan)
The other has a public IP. Let's say 180.180.180.180

On the lan, I have a VPN which join two network : 192.168.1.0 and 192.168.2.0

I'm trying to forward 5900 port (vnc) to a computer which is on the second subnet with adress 192.168.2.100 iptables -A PREROUTING -t nat -p tcp -i eth1 --dport 5900 -j DNAT --to-destination 192.168.2.100:5900
iptables -A FORWARD -p tcp -d 192.168.2.100--dport 5900 -j ACCEPT
and it doesn't work

I've tried the same on the local network with adress 192.168.1.99
iptables -A PREROUTING -t nat -p tcp -i eth1 --dport 5900 -j DNAT --to-destination 192.168.1.99:5900
iptables -A FORWARD -p tcp -d 192.168.1.99--dport 5900 -j ACCEPT
and it's working like a charm

I've done my test with another computer with public adress 200.200.200.200

I've done a netstat one the two computers
on 192.168.2.100 i've seen he's talking to 180.180.180.180 (<-- my server running iptable) on 192.168.1.99 i've seen he's talking to 200.200.200.200 (<-- the computer on internet which i'm running my test from)

thanks for your attention
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