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SubjectRe: Packet tapping
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?

Francis Galiegue, - Normand et fier de l'être
"Programming is a race between programmers, who try and make more and more
idiot-proof software, and universe, which produces more and more remarkable
idiots. Until now, universe leads the race" -- R. Cook

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