[NateCarlson1] Configuring an IPSec tunnel between FreeS/WAN and Windows 2000/XP .
[JaccodeLeeuw1] Using FreeS/WAN with Windows L2TP/IPsec .
[AndreasSteffen1] Installation and Configuration Guide (X.509 FreeS/WAN-version 1.4.8) .
[RealTimeEnterprises1] IPSec, screenshots of the process of importing a certificate .
[Steffen1] Virtual Private Networks Coping with Complexity .
[FreeS/WAN] FreeS/WAN .
[Parches X.509] Parches X.509 .
[MüllerVPN] VPN .
[ParchesEncpt] Parches de encriptación .
[OpenSSL] OpenSSL .
[Dia] Dia .
[TheGimp] The Gimp! .
[DebianGNULinux] Debian GNU/Linux .
[Linux] Linux .
[Windows] MS Windows .