Various recommendations that have come to me via email.
Dear BLOGGER checker, I am a REAL PERSON, see one of the drafts where I have given you my phone number to reach me.
Create your own packet sniffer in C | Simplest Codings: "A simple implementation of a packet sniffer in C on linux platform using the libpcap library. This packet sniffer currently sniffs IP , TCP , ICMP and UDP packets."