VPN technologies

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  • This book provides a complete guide to the SSL VPN technology and discusses its implementation on Cisco SSL VPN–capable devices. Design guidance is provided to assist you in implementing SSL VPNs in an existing network infrastructure. This includes examining existing hardware and software to determine whether they are SSL VPN capable, providing design recommendations, and guiding you on setting up the Cisco SSL VPN devices. Toward the end of Chapters 5 and 6, common deployment scenarios are covered to assist you in deploying an SSL VPN in your network...

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  • This design guide defines the comprehensive functional components required to build a site-to-site virtual private network (VPN) system in the context of enterprise wide area network (WAN) connectivity. This design guide covers the design topology of dynamic multipoint VPN (DMVPN). This guide is part of an ongoing series that addresses VPN solutions, using the latest VPN technologies from Cisco, and based on practical design principles that have been tested to scale.

    pdf104p duypha 11-08-2009 220 68   Download

  • This chapter describes how to configure, verify, maintain, and troubleshoot a Virtual Private Network (VPN). It includes the following main sections: • VPN Technology Overview • Prerequisites for VPNs • Configuring VPN • Verifying VPN Sessions • Monitoring and Maintaining VPNs • Troubleshooting VPNs • VPN Configuration Examples For a complete description of the commands mentioned in this chapter, see the Cisco IOS Dial Services Command Reference.

    pdf56p mylinh 11-08-2009 67 26   Download

  • A virtual private network (VPN) is a network that extends remote access to users over a shared infrastructure. VPNs maintain the same security and management policies as a private network. They are the most cost effective method of establishing a point-to-point connection between remote users and an enterprise customer’s network.

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  • This chapter introduces the concepts of cryptography and covers encryption, hashing, and digital signatures and how these techniques provide confidentiality, integrity, authenticity, and nonrepudiation. You will learn about algorithms, symmetric and asymmetric encryption, digital signatures, and Public Key Infrastructure (PKI).

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  • In this chapter, you learned to: Describe the enterprise requirements for providing teleworker services; explain how broadband services extend Enterprise Networks including DSL, cable, and wireless; describe how VPN technology provides secure teleworker services in an Enterprise setting.

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  • This document serves as a design guide for those intending to deploy a site-to-site VPN based on IP Security (IPsec). The designs presented in this document focus on Cisco IOS VPN router platforms. The primary topology described in this document is a hub-and-spoke design, where the primary enterprise resources are located in a large central site, with a number of smaller sites or branch offices connected directly to the central site over a VPN. A high-level diagram of this topology is shown in Figure 1....

    pdf56p batoan 10-08-2009 292 126   Download

  • The purpose of this module is to explain Virtual Private Network (VPN) concepts and to overview various L2 and L3 tunneling techniques that allow for implementation of VPNs. The access VPN features in Cisco IOS Release 12.1 are explained along with Layer 2 and Layer 3 tunneling mechanisms.

    pdf78p phongthinh 07-08-2009 181 93   Download

  • In contrast with other VPN technologies, MPLS VPN supports optimum any-toany connectivity between customer sites (equivalent to the full mesh of overlay VPN networks) without the end customer having to manually configure anything. The provider only needs to configure the VPN in the Provider Edge (PE) routers. The so-called “hub-and-spoke” topology, which was primarily used to reduce the cost of the network, is no longer needed. The interconnection of CE sites is done automatically by using BGP and an IGP to find the shortest path....

    pdf1p trungha 28-08-2009 203 69   Download

  • This document provides information about using X.509 digital certificates issued by a Cisco IOS CA server to authenticate VPN tunnels between Cisco routers. It provides design considerations, step-by-step configuration instructions, and basic management options for VPN crypto devices using X.509 digital certificates. This document is written for Cisco system engineers and assumes that you have a working knowledge of Cisco IOS routers, as well as a basic understanding of IPSec, ISAKMP/IKE, and X.509 digital certificates....

    pdf62p duypha 11-08-2009 215 64   Download

  • This design guide defines the comprehensive functional components required to build a site-to-site virtual private network (VPN) system in the context of enterprise wide area network (WAN) connectivity. This design guide covers the design topology of point-to-point (p2p) Generic Route Encapsulation (GRE) over IP Security (IPsec). This design guide is part of an ongoing series that addresses VPN solutions, using the latest VPN technologies from Cisco, and based on practical design principles that have been tested to scale....

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  • This document is written for networking engineers and administrators responsible for implementing a Layer 3 (L3) MPLS VPN service from a service provider (SP) network. It describes important considerations when choosing an SP and making the necessary connections. This document outlines these considerations, but it is not meant to be a comprehensive design guide.

    pdf81p duypha 11-08-2009 137 55   Download

  • Cisco enterprise customers have in the past relied heavily upon traditional WAN/MAN services for their connectivity requirements. Layer 2 circuits based on TDM, Frame Relay, ATM, and SONET have formed the mainstay of most low-speed WAN services. More recently, high-speed MAN solutions have been delivered directly over Layer 1 optical circuits, SONET, or through the implementation of point-to-point or point-to-multipoint Ethernet services delivered over one of these two technologies.

    pdf218p batoan 11-08-2009 108 48   Download

  • This Solution Reference Network Design (SRND) publication is intended to provide a set of guidelines for designing, implementing, and deploying Voice and Video Enabled IPSec VPN (V3 PN) solutions. This SRND defines the comprehensive functional components required to build a Site-to-Site Enterprise Virtual Private Network (VPN) solution that can transport IP telephony and video.

    pdf160p duypha 11-08-2009 167 45   Download

  • Enterprise customers have in the past relied heavily upon traditional WAN/MAN services for their connectivity requirements. Layer 2 circuits based on TDM, Frame Relay, ATM, and SONET have formed the mainstay of most low-speed WAN services. More recently, high-speed MAN solutions have been delivered directly over Layer 1 optical circuits, SONET, or through the implementation of point-to-point or point-to-multipoint Ethernet services delivered over one of these two technologies.

    pdf80p batoan 11-08-2009 93 24   Download

  • Tham khảo sách 'nortel vpn router configuration — ssl vpn services', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf76p hoangtumayman 08-04-2010 74 20   Download

  • The Check Point VPN-1 Edge appliance is a unified threat management (UTM) appliance that enables secure high-speed Internet access from the office. Developed by SofaWare Technologies, an affiliate of Check Point Software Technologies, the worldwide leader in securing the Internet, the VPN-1 Edge appliance incorporates the X and W product families. Both product families include models with and without an integrated ADSL modem, and the X family includes an industrial model especially designed for use and durability in extreme environments.

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  • Tham khảo sách 'nortel vpn router configuration — advanced features', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo sách 'cisco secure vpn version 5.1', công nghệ thông tin, chứng chỉ quốc tế phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf139p batrinh 10-08-2009 53 14   Download

  • Virtual Private Networking technology leverages existing infrastructure (the Internet) as a way of building and enhancing existing connectivity in a secure manner. Based on standard Internet secure protocols, VPN implementation enables secure links between special types of network nodes: Check Point Security Gateways. Site to Site VPN ensures secure links between Security Gateways. Remote Access VPN ensures secure links between Security Gateways and remote access clients.

    pdf299p hoangtumayman 26-09-2011 41 11   Download

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