VPN
Virtual Private Networks

Como funciona a VPN ? (Rede)

VPN com Linux by Alan Tamer Vasques e Rafael Priante Schuber

Configurando a VPN no Windows 2000 ! (Software)

VPN - REDES PRIVADAS VIRTUAIS by ANDRE WAJSMAN

VPN - Virtual Private Network - Rede Privada Virtual - Marco Antonio G. Rossi - Oswaldo Franzin

VPN - Virtual Private Networks by Gabriela Ferraz Catramby

VPN - Virtual Private Network  by 

Ana Paula Cossich Pereira Zanaroli
Maria Beatriz Marques Fiuza Lima
Rodrigo de Ara˙jo Lima Rangel

VPN Networking Over the Internet with DSL Connections