[ale] NAT And traffic redirection
Robert L. Harris
Robert.L.Harris at rdlg.net
Thu Dec 7 11:57:53 EST 2006
You're on the right track I would say. I've made a number of services
available to public subnets which actually run on machines behind my NAT.
My firewall has a public IP, 10.0.5.2 in your case. I then use the firewall
rules:
$IPTABLES -A Allow -p tcp --source aaa.bbb.ccc.0/24 --dport 9000 -j ACCEPT
$IPTABLES -A PREROUTING -t nat -p tcp -i $IFACE --dport 9000 -j DNAT --to 192.168.7.8:9000
This allows all traffic hitting the firewall on port 9000 to hit the machine in
the background. Since it is a windows machine I don't think I'd forward all
traffic to it, I would do a service by service forwarding...
Robert
Thus spake Christopher Fowler (cfowler at outpostsentinel.com):
> I have a Linux server at a remote location that is VPN'ed into our
> network. Inside the VPN I've assigned it address 10.0.5.2. I want to
> be able to access a Windows server at 192.168.7.8 that is behind that
> machine from my desktop here at home. Is there a way I can tell that
> Linux server to send all TCP/UDP traffic that is destined to 10.0.5.3 to
> that Windows box at 192.168.7.8. That windows box would then see
> traffic as if it was coming from 192.168.7.2 which is the ethernet
> address of that Linux server.
>
> In this case I need to access services on that windoze machine with
> clients on my desktop but routing to 192.168.7.0 is not possible.
> Someone told me I could assign another address to that Linux server and
> that could be the virtual address for NAT for that windows machine.
>
> Chris
>
>
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:wq!
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Robert L. Harris | GPG Key ID: E344DA3B
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DISCLAIMER:
These are MY OPINIONS With Dreams To Be A King,
ALONE. I speak for First One Should Be A Man
no-one else. - Manowar
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