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 From:  taharka <res00vl8 at alltel dot net>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] Accessing ADSL Router box on WAN side of m0n0wall
 Date:  Wed, 12 Oct 2005 14:57:54 -0400
Jack Challen wrote:

> Hi all,
>
> Just upgraded to m0n0 1.2, and it's just as great as I'd hoped. Thanks!
>
> I'm using m0n0wall to protect my home network (192.168.3.0/24) from the
> internet. I'm connected to the internet by an ADSL router (D-Link 
> DSL300-T) running in bridge mode, then doing the PPP authentication 
> from m0n0wall as PPPoE. This is (or has been) utterly, utterly reliable.
>
> The one thing I want to do is to get access to the router's (sucky) 
> web interface from inside my LAN. My router's configured as 
> 192.168.3.222, but it's obviously on the WAN side of the firewall. You 
> can still access it while it's in bridge mode, but because it's on the 
> "wrong" side of the firewall, ARP requests don't make it across; it's 
> a private network connected to the public interface.... you get the idea.
>
> I thought I might be able to do Nasty Stuff with the Proxy Arp, but it 
> doesn't appear to do what I mean. Am I using the wrong tool? Is this 
> even possible? (I can shift the DSL's IP address if it makes things 
> easier).
>
> Hopefully unnecessary network diagram:
>
> --------------+       +------+        +-------------+
> 192.168.3.0   |      L| m0n0 |W       |192.168.3.222|
> /24  (LAN)    +-------+ .3.1 +--------+ADSL Router  +---Internet
> --------------+       +------+        +-------------+
>
>
> Apologies if this is a FAQ, but I have looked.
>
> thanks in advance.
> jack
>
Maybe the following document will help?

http://wiki.m0n0.ch/wikka.php?wakka=AccessingModemOutsideFirewall

taharka

Lexington, Kentucky U.S.A.