Netgraph question

[Petri Helenius]

Aziz Kezzou wrote:

>Hi all,
>I worked a bit with netgraph nodes and I find them very amazing and
>powerfull... Since my netgraph experience is still quite limited (
>they are out of the scope of my project actually) I would like to know
>if the following claim is true, I need to be sure because it is for my
>master thesis ;-) :
>
>"Negraph nodes allow us, theoritically, to "steal" and inject packets
>of _any_ type from/at _any_ level of the network subsystem"
>  
>
Specially with the emphasis, I don't think the claim holds. You cannot 
mix and match the "ordinary" network subsystem nodes with netgraph nodes 
at will unless that's accommodated for. However while the flexibility 
can be considered high, it's not ultimately powerful.

Pete