James, I'll explain how my m0n0 works, and you'll see how the 
definitions of "external" and "internal" will change for me...

I'm an wireless ISP, and this m0n0 is one of my Access Points. This 
machine have LAN (ethernet card), WAN (pcmcia) and OPT1 (pcmcia). The 
WAN interface is connected to a linux server with a pcmcia card 
(client), that is connected to a cisco router and internet. So, all the 
traffic to Internet from my clients connected on OPT1 from m0n0 goes to 
WAN, that does the link to Internet, ok? Works fine.

The LAN is connected to an external radio wich does a P2P to another 
city, and this P2P client needs some public IPs, and I would forward 
them through NAT... So, I need to nat IPs from WAN (internet) to LAN...

Any suggestion?

Denilson





James W. McKeand escreveu:

>Denilson Rocha wrote:
>  
>
>>Hi!
>>
>>I need to use NAT to addresses on LAN, but when I try to create some
>>NAT rule, I can only choose WAN or OPT1... Is there a way to do this?
>>    
>>
>
>When you NAT an address the "External Address" will be WAN or OPT1 (or
>Server NAT address). The "NAT Address" is the address on the LAN.
>
>Think of it this way: if you are going to allow access to a web server
>on your LAN you would allow traffic to port 80 the WAN IP of the
>m0n0wall to forwarded (NATed) to port 80 on the IP of the web server on
>the LAN.
>
>What exactly are you attempting to do?
>
>_________________________________
>James W. McKeand
>
>
>
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