Implementation
l The Hardware: Custom-made AMD PC
l AMD 1700+ XP processor
l 512MB RAM
l 40 Gigs HDD
l Two Network Interface Cards (NIC)
l The Software: Linux FreeSWAN
l Open-source package that provides IPsec capabilities
l Composed of two primary pieces: KLIPS and Pluto
l KLIPS: low-level drivers of IPsec
   Pluto: manages key exchange