> On Mon, 2002-09-30 at 09:39, Dharmender Rai wrote: > > use libpcap library (freely downloadable from > > www.insecure.org/nmap > :), My question is related to the kernel, not userland libs,apps. I just > want to know where in the kernel the decision is make to send back an > outgoing packet to userland. In which part the kernel says humm let see > I have this outgoing packet I gonna give it to the device driver but > before, I have these sockets that want to receive this buffer as well, > let's clone/copy (I don't know) the socket. Well, tcpdump uses libpcap. pcap accesses a registered network tap that sends packets to userland and libnet does the opposite. Any way, I think it's strange that you're not seeing the packets, try this simple module, compile it and see what you get in your log files. Regards, Mazhar
Attachment:
sample.c
Description: Binary data