KVpnc is a KDE frontend for various VPN clients. It supports Cisco VPN (vpnc, vpnclient (a proprietary client from Cisco)), IPSec (FreeS/WAN, Openswan, strongSwan, racoon), PPTP (pptpclient), OpenVPN, L2TP over IPSec (l2tpd, xl2ltpd) (usable with Fre

vpn虚拟专用网络的一个开源搭建工具，可以按你的要求自己搭建一个虚拟专用网-vpn virtual private network to build an open source tool, you can request your own by creating a Virtual Private Network

Learn from the developers of Openswan how to build industry-standard, military-grade VPNs and connect them with Windows, Mac OS X, and other VPN vendors

mac os x aplication taken from the internet