great !
This serves fine as a 'wifi router' UP script.
Can you also put the DOWN scriptlet, to return the N900 to a normal state, pre-router state ?

Some quick questions, thinking of my already strapped for space and battery stamina device, what's the impact of adding the new kernel modules on performance/memory/battery life ? Or is there hardly any impact as long as the new functions are not used ? Just wondering.

Is iptables optified ? Or can't it be, as it's more OS oriented ?

Thanks for getting this far, every day I feel more happy and convinced I made the right choice to buy the N900 ! Even in it's very early life ...