How to configure a Linux firewall to masquerade IPsec− and PPTP−based Virtual Private Network traffic, allowing you to establish a VPN connection without losing the security and flexibility of your Linux firewall's internet connection and allowing you to make available a VPN server that does not have a registered internet IP address. Brief information on configuring the VPN client and server is also given.
Linux VPN Masquerade
كتاب: Linux VPN Masquerade في قسم أداره السيرفرات وحمايتها Linux / Unix / Win Server بتاريخ نوفمبر 19, 2011