how to write sniffer driver

gauravholey · 05-05-2010, 10:43 AM

hi there,

i am stuck with the idea of writing a sniffer driver(which will sniff the incoming tcp/ip packet and maintains a log of it) over last 6 months or so. please let me guide how to start with it. i have gone the LKMG,so i can say that the basics about kernel programming are in place.
your valuable guidance required.

regards,
gaurav holey

irmin · 05-07-2010, 03:33 AM

Why do not use tcpdump for this purpose? If you want to capture the packets by a user application look at packet(7).