David Preece wrote:
>
> Hi,
>
> Due to the wonder of IPFW and divert sockets I have been merrily catching
> packets, modifying them and reinjecting back in from userland to great
> effect for some time now. What I would like (need) to do is much the same,
> but being able to explicitly state which route to take (for a packet going
> outwards), or being able to tell which route a packet came in from (for a
> packet coming inwards).
>
> I suspect the necessary stunts are to have access to sufficiently low level
> networking to be able to capture and write a packet with layer 2
> information, which probably involves netgraph? Can anyone think of another
> way? Oh, and if I do go to netgraph (in itself not a bad thing), do I have
> to use a kernel mode debugger - just too addicted to KDevelop I guess.
the address you get from the divert socket includes (if you know where to look)
the incoming interface..
you can the resend back to a specific rule
and use the 'fwd' rules to send out different
interfaces
>
> Thanks,
> Dave
>
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