laptop into access point?

[Thompson Freeman]

On 02/29/2008 10:04:10 AM, Manuel Arostegui Ramirez wrote:
> El Viernes, 29 de Febrero de 2008 15:49, Mark Greenbank
> escribió:
<<snip>>
> Well, you just need a couple of iptables rules, as long as
> you have your
> wireless card properly configurated.
> This what I'm using to use my laptop as a gateway to a
> wired network (notice
> I'm turning it into an ad-hoc mode)
> 
> #!/bin/bash
> iwconfig eth0 mode ad-hoc
> iwconfig eth0 essid AP
> iwconfig eth0 key s:yourkey
> iwconfig eth0 channel 6
> ifconfig eth0 192.168.70.1 up
> iptables -t nat -I POSTROUTING -o eth1 -j MASQUERADE
> iptables -I FORWARD -i eth0 -j ACCEPT
> echo 1 > /proc/sys/net/ipv4/ip_forward
<<snip>>
I scratched a similar itch with a linksys travel device,  
but this is close to what I wanted to do originally. Thanks  
for the starting point!