Ruby interface to LBL Packet Capture library (libpcap). This library also includes classes to access packet header fields. It is much easier to code in Ruby/Pcap than to code in C and use libpcap directly. Author: Masaki Fukushima <fukusima@goto.info.waseda.ac.jp> WWW: http://www.goto.info.waseda.ac.jp/~fukusima/ruby/pcap-e.html