Re: iptables configuration help

> I have added two sub interfaces to the external ethernet interface of
> Smoothwall. There are 2 machines on the internal LAN and I want them
> to go out using the IP of the sub interface, i.e access the internet
> using the exteral IP's.  they should not have any restrictions by
> Smoothwall. How can do this and what IP Tables rules should I add ?
> 

Hi Vijay

It seems to me that all you really need to do is put in an ORANGE 
interface on whatever IP, I don't know why you would want to use 
different IP subnets on those two machines, but if just one subnet is 
OK, then set up ORANGE as that subnet address and voila, you have it.

> I have done the following :
> 
> iptables -A INPUT -s 172.16.0.119 -d 0.0.0.0/0.0.0.0 -j ACCEPT 
> iptables -I FORWARD -s 172.16.0.119 -j ACCEPT iptables -t nat -I
> POSTROUTING -s 172.16.0.119 -o eth1:0 -j SNAT --to-source
> <external_ip>
> 
> When I addded the rules iptables gave me an error stating :" Weird
> character in interface eth0:0, no ! : " Where am I going wrong ? Are
> sub interface allowed in iptables ?


-- 
regards
Robert G. Moonen
registered Linux user number 298132

There's only two infinite things:
The universe and human stupidity, but I'm not sure about the first one.

Albert Einstein
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