Re: Packet tapping

[Manoj Sontakke]

Thanks a lot. I was looking for a pointer. I knew its possible but lost
track of "how".
Thnaks again.
Manoj

Francis Galiegue wrote:
> 
> On Wed, 12 Sep 2001, Manoj Sontakke wrote:
> 
> >
> > Hi,
> >       Is it possible to tap a packet and send it to a userlevel program
> > before it is sent to appropriate receive function (say ip_rcv()). The
> > user level program will give the packet back to the kernel for delivery
> > to appropriate receive function.
> >       In short, is it possible to have a protocol stack (between layer 2 and
> > 3) to be implemented in useland.
> >
> >       Is Tun/Tap driver useful here?
> 
> Isn't the QUEUE driver from iptables done for such cases?