platform virtual private networks with openvpn

... Design Points,” we described the essential elements and considerations for site-to-site virtual private networks (VPNs) using Microsoft Windows Server 2003 The components of site-to-site VPNs ... easy VPN setup solution with PPTP Most administrators use PPTP to avoid the issues of certification requirements, or more likely to cross network address translators (NATs) with a non-IPSec VPN ... Certificate to a pfx File Now we need to have the matching certificate file exported with its corresponding private key to a file and sent to the calling router on the other side of the link To

Ngày tải lên: 14/08/2014, 14:20

... about them. Virtual Private Networks, Second Edition 6 Chapter 1. Why Build a Virtual Private Network? Until now there has always been a clear division between public and private networks. A ... whole package with her private key, compute her own MAC code from the now clear text document, decrypt the sender's MAC code with his public key, then compare 31 Virtual Private Networks, ... VPN Do? A virtual private network is a way to simulate a private network over a public network, such as the Internet. It is called "virtual" because it depends on the use of virtual

Ngày tải lên: 25/03/2014, 10:53

... Cisco IOS Firewall feature set Private Addresses and Network Address Translation Private networks seldom use public IP addresses in the intranet When remote sites use private addresses and accessthe ... deployed with either orboth ESP and AH Specifying transport mode allows the router to negotiate with the remote peer whether to usetransport or tunnel mode Transport mode expansion of the IP packet with ... can beconfigured with manually with RSA keys for the routers (Reference 9), or using Certificate Authority (CA) Server(Reference 10) Using preshared authentication keys works for networks of up

Ngày tải lên: 24/10/2015, 10:00

... Trang 1VIRTUAL PRIVATE NETWORKS (VPN)BY: Diana Ashikyan Nikhil Jerath Connie Makalintal Midori Murata Trang 2Traditional Connectivity Trang 3What is VPN?Virtual Private Network is a type of private ... understand how VPNs work. Trang 4Private Networks vs Virtual Private Networks  Employees can access the network (Intranet) from remote locations.  Secured networks.  The Internet is used ... mean in VPNs? 3 types  Intranet – Within an organization  Extranet – Outside an organization  Remote Access – Employee to Business Trang 13Virtual Private Networks (VPN)Basic Architecture Trang

Ngày tải lên: 15/03/2014, 16:20

... reserved. 14 Conventional Private Networks © 2012 Cisco and/or its affiliates. All rights reserved. 15 Virtual Private Networks © 2012 Cisco and/or its affiliates. All rights reserved. 16 VPNs • A Virtual Private ... Conventional Private Networks © 2012 Cisco and/or its affiliates All rights reserved 15 Virtual Private Networks © 2012 Cisco and/or its affiliates All rights reserved 16 VPNs • A Virtual Private ... string together with the preshared secret and yields a hash value. RouterA calculates its own hash of the random string, together with the pre-shared secret, and matches it with RouterB sends

Ngày tải lên: 12/10/2015, 03:02

... Configuring Virtual Private Network Access for Remote Clients and Networks Trang 2Virtual Private Networking Overview Configuring Virtual Private Networking for Remote Clients Configuring Virtual Private ... Quarantine Control Using ISA Server 2004 Trang 3Lesson: Virtual Private Networking OverviewWhat Is Virtual Private Networking? Trang 4What Is Virtual Private Networking?ISA Server ISA Server Branch Office ... traffic between the VPN networks and the other networks with servers running ISA Server By extending RRAS functionality Trang 10Benefits of Using ISA Server for Virtual Private NetworkingConnection

Ngày tải lên: 27/02/2014, 05:20

... Firewall 14 Related Information 22 Cisco − Securing Networks with Private VLANs and VLAN Access Control Lists Trang 2Securing Networks with Private VLANs and VLAN Access Control ListsVLAN Access ... Trang 1Table of ContentsSecuring Networks with Private VLANs and VLAN Access Control Lists 1 Document ID: 10601 1 Introduction 1 Before ... Configuring Isolated Private VLANs on Catalyst Switches Not all switches and software versions support PVLANs Refer to Private VLAN Catalyst Switch SupportMatrix to determine whether your platform and

Ngày tải lên: 17/04/2017, 08:33

... Virtual Private Network (VPN)  NỘI DUNGNguyên lý VPNCác biến đổi đóng gói trong VPNsMã hoá trong VPNsXác thực trong VPNsƯu nhược điểm của VPNs2 VPN CONCEPTSVirtual Private Network (VPN) giải quyết các vấn đề:Tạo liên kết an toàn trên kênh truyền dữ liệu không an toànMã hoá dữ liệu trên kênh truyền3 WHAT VPNS AREVPNKết nối logic ảo Tạo kết nối an toàn trên kênh InternetSecure tunnelTạo liên kết tổ chức logic giữa các side Đầu cuối của VPNsSpecified computers, users, or network gateways4 5 WHY ESTABLISH A VPN?Nguyên nhân triển khaiVPNs mạng kết nối an toàn giá rẻVPNs provide secure connection for remote usersContractorsTraveling employeesPartners and suppliersThành phần của VPNs (Components)VPN server or hostConfigured to accept connections from clientsVPN client or guestEndpoints connecting to a VPN6 WHY ESTABLISH A VPN?VPN ComponentsTunnelKết nối mà dữ liệu được truyền qua nóVPN protocolsTập hợp các giao thức chuẩnMã hoáTypes of VPNsSite­to­site VPNGateway­to­gateway VPNClient­to­site VPNRemote access VPN7 WHY ESTABLISH A VPN?Hardware versus software VPNsHardware­based VPNsConnect one gateway to anotherRouters at each network gateway encrypt and decrypt packetsVPN applianceDesigned to serve as VPN endpointJoin multiple LANsBenefitsScalableBetter security8 9 10 [...]... ... WHY ESTABLISH A VPN?  VPN combinations  Combining VPN hardware with software adds  layers of network security  One useful combination is a VPN bundled with a  firewall  VPNs do not eliminate the need for firewalls  Provide flexibility and versatility 13 ... WHY ESTABLISH A VPN?  Hardware versus software VPNs  Software­based VPNs  Integrated with firewalls  Appropriate when participating networks use different  routers and firewalls  Benefits  More cost­effective  Offer maximum flexibility 11

Ngày tải lên: 17/09/2012, 10:44

... Trang 1VIRTUAL PRIVATE NETWORK (VPN) Nhóm 18 Lớp: DHTH3 GV: Th.s Nguyễn Hòa Danh sách: 1 Đặng Hồng Hải 2 Hồ ... (Protocol) 8 IV Kết Luận 12 Trang 3I Giới Thiệu VPN1 Khái niệm - Mạng riêng ảo hay VPN (viết tắt cho Virtual Private Network) là một mạng dành riêng để kết nối các máy tính của các công ty, tập đoàn hay ... cho mỗi vị trí một giao thức đặc trưng chỉ định trong gói IP header, tạo một đường kết nối ảo (virtual point-to-point) tới Cisco router cần đến Và khi gói dữ liệu đến đích IP header sẽ được mở

Ngày tải lên: 25/04/2013, 21:03

... point-to-point private link The act of configuring and creating a virtual private network is known as virtual private networking To emulate a point-to-point link, data is encapsulated, or wrapped, with ... the private data is encapsulated is known as the tunnel The portion of the connection in which the private data is encrypted is known as the virtual private network (VPN) connection Figure 1: Virtual ... Operating System Virtual Private Networking in Windows 2000: An Overview White Paper Abstract This white paper provides an overview of virtual private network (VPN) support in

Ngày tải lên: 22/10/2013, 09:15

... VIRTUAL PRIVATE NETWORKING 01/24/14 2 Caùc dòch vuï phoå bieán        ... Mạng  Giai đoạn truyền dữ liệu 01/24/14 13 CÁC CÔNG NGHỆ CỦA VPN  SNA tunneling over IP Internetworks: khi một SNA truyền đi ngang qua một mạng liên kết IP, thì khung SNA được đóng gói trong

Ngày tải lên: 24/01/2014, 03:20

... Welcome to Deploying Virtual Private Networks with Microsoft Windows Server 2003, your complete source for the information you need to design and deploy Vir­ tual Private Networks (VPNs) using ... any form or by any means without the written permission of the publisher Library of Congress Cataloging-in-Publication Data Davies, Joe Deploying Virtual Private Networks with Microsoft Windows ... http://www.simpopdf.com xiii Acknowledgments From the beginning, writing Deploying Virtual Private Networks with Microsoft Win­ dows Server 2003 was a labor of love for me As the lead program...

Ngày tải lên: 27/06/2014, 00:20

... script (file servers with anonymous access allowed), or to get instruc­ tions and components needed to make the remote access client comply with network policies (Web servers with anonymous access ... it to either the Internet or to a perimeter network with one network adapter, and connect it to the intranet with another network adapter Without running the Routing And Remote Access Server ... firewall with a VPN server: The VPN server is attached directly to the Internet, and the firewall is between the VPN server and the intranet In this configuration, the VPN server must be configured with...

Ngày tải lên: 14/08/2014, 14:20

... Provisioning One of the most serious issues for information technology (IT) administrators using virtual private networks (VPNs) is determining whether the client computer that is being granted access ... chapter and have it operational, you should experiment with the scripting and controls to familiarize yourself with the tools The tools described within this chap­ ter will allow your users to have ... VPN server can resolve names and successfully communicate with intranet resources You this by using the Ping command, accessing Web pages with Internet Explorer, and making drive and printer connec­...

Ngày tải lên: 14/08/2014, 14:20

... remote access VPN with Windows Server 2003 169 Chapter Site-to-Site VPN Components and Design Points In Chapter 5, we reviewed components of remote access virtual private networks (VPNs)—that ... Connection Between Two Private Networks in the Routing And Remote Access Server Setup Wizard Microsoft recommends this option because the Secure Connection Between Two Private Networks option does ... addresses used within the site of the VPN router that point to a neighboring site router These routes make all locations within the site of the VPN router reachable from the VPN router Without these...

Ngày tải lên: 14/08/2014, 14:20

... interface using the Demand-Dial Interface Wizard with the following settings: • Interface Name: CorpHQ • Connection Type: Connect Using Virtual Private Networking (VPN) Chapter 10 A VPN Deployment ... interface using the Demand-Dial Interface Wizard with the following settings: • Interface Name: CorpHQ • Connection Type: Connect Using Virtual Private Networking (VPN) • VPN Type: Layer Tunneling ... interface using the DemandDial Interface Wizard with the following settings: • • • • • Interface Name: VPN_Chicago Connection Type: Connect Using Virtual Private Networking (VPN) VPN Type: Point-to-Point...

Ngày tải lên: 14/08/2014, 14:20

... about how you can use five comput­ ers to create a test lab with which to configure and test virtual private network (VPN) remote access with Microsoft Windows XP and the Windows Server 2003 family ... interoperate with Vendor B’s IPSec TM This situation leaves the customer with a vendor-specific proprietary solution Microsoft advocates L2TP/IPSec because it is standards based and every major vendor with ... Configuring Firewalls for VPN The following list shows common configurations of firewalls with a virtual private network (VPN) server: • The VPN server is attached to the Internet, and the firewall...

Ngày tải lên: 14/08/2014, 14:20

... for dial-up remote access, virtual private network (VPN) remote access with Point-to-Point Tunneling Protocol (PPTP), VPN remote access with Layer Two Tunneling Protocol with Internet Protocol Security ... Connect To The Network At My Workplace 16 Click Next On the Network Connection page, click Virtual Private Network Connection 17 Click Next On the Connection Name page, type PPTPtoCorpnet in ... Connect To The Network At My Workplace 11 Click Next On the Network Connection page, click Virtual Private Network Connection 12 Click Next On the Connection Name page, type L2TPtoCorpnet in...

Ngày tải lên: 14/08/2014, 14:20