In some email I received from samuel Lellouche, sie wrote:
> 
> 
> So is it a known fact that ipf doesnt proccess all packets, or proccess some
> of them twice etc.. ?
> 
> In that case i switch immediatly to a tcpinput version...
> 
> By the way anyone know how i can cleanly add functions to be called on
> each tcpinput and output ?

I think you're somewhat confused about many things here (or at last that
is the impression I get) and I'm also confused about what you're trying
to do.  IP Filter will change the destination port of all packets with
port A to port B if you ask it to.

Darren