FYI:
http://www.shrew.net
軟體說明:
http://www.shrew.net/?page=software
Windows 版下載位址:
http://www.shrew.net/?page=download&prod=vpn
Linux 版下載位置:
http://www.shrew.net/?page=download&prod=ike
使用手冊:
http://www.shrew.net/vpn/help-2.1.x/vpnhelp.htm