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 From:  Dany Nativel <dany underscore list at natzo dot com>
 To:  Adam Nellemann <adam at nellemann dot nu>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] Bridging without bridge?
 Date:  Wed, 28 Jan 2004 15:06:30 -0500
Using PPTP I was able to secure my WLAN connection using OPT1 (external 
Access Point). The OPT1 is on a 10.112.x.x subnet.
As soon as the user authenticates, he gets a virtual IP address within 
the LAN subnet so I don't have to setup any static route. The only rules 
I used are :
--> for OPT1 :
GRE * * * *
TCP * * * 1723

--> for PPTP
* * * * *

I'm not sure if that answers your question but I thought it was 
interesting to share. Anyway, below you'll also find more about this 

OPT1 : bridge:none
             ip address :

PPTP clients
* * * * *

OPT1 interface
GRE * * * *
TCP * * * 1723

* * * * *

-   LAN to
-   OPT1 to

Enable : yes
Server address :
Remote address range :


Adam Nellemann wrote:

>I need to be able to pass packets between my LAN and my OPT1 (WiFi)
>interfaces. While I know this can be done by bridging the OPT1 to the
>LAN, I would prefer not to have the same subnet on the two interfaces.
>I'm I wrong in assuming that it should be possible, either by the right
>set or rules, or with static routes, to acomplish this?
>It seem to work for my brother on his 4501, but my generic-PC won't let
>ANY packages through from my WiFi to my LAN or viceversa?
>I have rules to pass any on LAN -> any and any on OPT1 -> any. (would
>like to restrict this a bit, but for now I use these very open rules to
>ensure it isn't the rules being too strict that cause the problems. I've
>even tried setting the source to any as well, but the above rules work
>for my brother.)
>No matter what your suggestions are, I'd like some info about static
>routes anyway:
>Sometimes, as I've experimented with these, I succeed in getting
>m0n0wall to stop responding. Usually a manual reboot will cure this. Is
>this due to me accidentially setting up some kind of "bad" static route
>(ie causing some kind of loop) or is this a bug in m0n0wall? (If not a
>bug, could you provide a, very short, tutorial as to how a typical
>static route between two interfaces/subnets will look?)
>Adam Nellemann.
>P.S. Once again, I hope I've not missed a previous post on this topic. I
>was at a loss regarding what to search for? Also, how does one see the
>thread replies in the archive?
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