The Research And Implementation Of Linux VPN Gateway & Network Management System

Information exchanging and sharing become much earlier with the rapidlyprogress of Internet. On the other hand, Internet also gives a great chance to hackerand network criminal. Network and information security protection becomes a focus.VPN gateway was widely used as network security equipment. Since more and moreVPN gateways are deployed to Internet, a quick and simple NMS is also needed.The development of science and technology should meet the requirement forpeople living and work. To meet the requirement in the above paragraph, we decide todevelop a VPN gateway and a corresponding network management system. In thisthesis, we first introduce the technology, which is used in the VPN gateway and NMS.Then we use two sections explain the implementation of the VPN gateway and thedesign of the NMS. We choose the open source OS – Linux as the OS of the VPNgateway and leverage the Linux IP package process mechanism to implement VPN.For the NMS, we use J2EE framework for B-S infrastructure. On the basis of thetheory implementation and design, we use the real network environment to test oursystem. In the last section, we give some advice about further research based on ourtest result. With our work, we first implement a Linux VPN gateway which is a good baseof the embedded OS VPN gateway. And we also design a NMS, we can manage othernetwork equipments by do little modify to the current NMS.