natd when doubled

[Ian FREISLICH]

Randy Bush wrote:
> i am in a hotel which gives me an address from 10/8 on the ether.
> i have it plugged into em0 on a -current system.
> 
> i have another machine on wireless out the ath0 port which is
> configured as 192.168.0.1
> 
> my natd.conf is
> 
>     dynamic yes
>     unregistered_only yes
>     interface em0
> 
> my ipfw.rules sez
> 
>     add divert natd all from 192.168.0.0/24 to any via em0
>     add divert natd all from any to 192.168.0.0/24 via ath0
> 
> i suspect the latter two are a bit too clever
> 
> the two machines can ping eachother over the wireless.  but
> nat is just not doing it.
> 
> hit me with he clue bat, please

I thought that all you'd need is:

add divert natd all from any to any via em0

Since natd needs te see all traffic both in and out of the world
facing interface.

Ian

--
Ian Freislich