Type "make clean install" to compile and install into /usr/local/bin
or just "make clean all strip" to compile.

Note that currently Linux, Solaris and *BSD is supported.
You need libpcap and libnet in their newest version.
Use libpcap from the nmap package (http://www.insecure.org/nmap)
Use libnet from www.packetfactory.net (v1.1b)
