The Vpn Linux

In order to solve the increasing problems about Network Security, all kinds of new techniques have been brought about, among which VPN (Virtual Private Networks) is an effective one0 In regard to the possible hidden peril to the safety of Enterprise Server-L-Server which is a product of Taifull Technologies Corporation, a solution based on VPN has been put forward in this paper0In this solutions, a new design of specific realization of PPTP has been made based on the PPTP protocol one of VPN standards, with three new models-authentication model, tunnel model, encrypt model, also being raised0 There is also a discussion about how to make use of this three models to prevent the illegal connection and the information leak etc0This paper has discussed achieving the scheme by means of some modification on the kernel of Linux belong to a free software0 The framework of the whole realizing environment has also been discussed here as well as some concerned network knowledge on Linux0As the safety application to the Enterprise Server, the realizing scheme of PPTP will not revise the current protocol, but is expected to establish its own safety system in enterprise networks so that the Network Security will be more transparent and more controllable to users 0...