building linux virtual private networks

... 2OpenVPN Building and Integrating Virtual Private Networks Learn how to build secure VPNs using this powerful Open Source application Markus Feilner Trang 3OpenVPN Building and Integrating Virtual ... troubleshooting and an appendix full of Internet links Chapter 1: VPN—Virtual Private Network gives a brief introduction to Virtual Private Networks and discusses in brief networking concepts Chapter ... engineer at Millenux, Munich, where he focuses on groupware, collaboration, and virtualization with Linux-based systems and networks He is interested in anything about geography, traveling, photography,

Ngày tải lên: 07/04/2014, 15:38

... (site to site và client to site) CHƯƠNG I: TỔNG QUAN VỀ VỈTUAL PRIVATE NETWORKS 1.1 Tìm hiểu về Virtual Private Networks Virtual Private Networks (VPN) hay gọi theo tiếng việt là mạng riêng ảo, chophép ... Trang 1rờng đại học vinhKhoa CNTT ĐỒ ÁN TỐT NGHIỆP XÂY DỰNG VÀ TRIỂN KHAI HỆ THỐNG VIRTUAL PRIVATE NETWORKS Trang 2LỜI CẢM ƠN 3LỜI NÓI ĐẦU 4 CH ƯƠNG I: TỔNG QUAN VỀ VPN 6 1.1 Tìm hiểu về ... password và sử dụng trongphạm vi công ty Còn bây giờ nhiều doanh nghiệp đang thiết lập dịch vụ VPN(virtual private network) nhằm thoả mãn nhu cầu kết nối từ xa giữa nhân viên vớivăn phòng cũng như giữa

Ngày tải lên: 27/12/2013, 21:02

... Trang 1Category: Informational February 2006 Analysis of the Security of BGP/MPLS IP Virtual Private Networks (VPNs) Status of This Memo This memo provides information for the Internet community ... BGP/MPLS IP virtual private network (VPN) architecture that is described in RFC 4364, for the benefit of service providers and VPN users The analysis shows that BGP/MPLS IP VPN networks can ... Multiprotocol Label Switching (MPLS) is becoming a more widespread technology for providing IP virtual private network (VPN) services, the security of the BGP/MPLS IP VPN architecture is of increasing

Ngày tải lên: 14/02/2014, 16:20

... 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 ... 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 ... high-risk units from low-risk ones 23 Virtual Private Networks, Second Edition 2.1.3 Use of Firewalling in a VPN The importance of firewalling to a virtual private network is straightforward

Ngày tải lên: 25/03/2014, 10:53

... is typically not an issue In some configurations, the VPN server is actually configured with a private IP address and has a published static IP address by which it is known on the Internet A ... are multiple public IP addresses, and there is a one-to-one ping of a public IP address to the private IP address of the VPN server • L2TP/IPSec-based VPN clients or servers cannot be behind ... all the possible addresses in your intranet For example, if your intranet uses portions of the private address space 10.0.0.0/8 to number its subnets and hosts, you do not have to add a route

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 ... you closely control the testing so as not to compromise any security policies that should be kept private This chapter describes how to configure the example.com domain to accomplish the following: ... client • Creating a configuration file for certificate installation on the remote access client • Building Web pages for the two connection states (quarantined and full access) • Creating and testing

Ngày tải lên: 14/08/2014, 14:20

... Connection Between Two Private Networks in the Routing And Remote Access Ser ver Setup Wizard Microsoft recommends this option because the Secure Connection Between Two Private Networks option does ... VPN Components and Design Points In Chapter 5, we reviewed components of remote access virtual private networks (VPNs)—that is, VPNs that have many remote users connecting to a VPN gateway to ... factors: demand-• Connection endpoint addressing The connection must be made over public data networks, such as the analog phone system or the Internet A phone number for dial-up connections

Ngày tải lên: 14/08/2014, 14:20

... 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 ... demand-dial interface and then click Next 5 On the Connection Type page, click Connect Using Virtual Private Network-ing (VPN) and then click Next 6 If you are deploying PPTP as the tunneling protocol, ... is acting as a calling router Click Next 5 On the Connection Type page, click Connect Using Virtual Private Network-ing (VPN) and then click Next 6 If you are deploying PPTP as the tunneling protocol,

Ngày tải lên: 14/08/2014, 14:20

... we went through the extensive and involved procedures for troubleshooting remote access virtual private networks (VPNs) The process for troubleshooting site-to-site VPNs is similar in many ways ... Internet users can gain access to private organization resources as if they were directly attached to the private net-work A single computer can act as a proxy server (for private users) and an answering ... that is allowed into and out of the demand-dial interface Unable To Reach the Virtual Interfaces of VPN Routers The virtual interfaces of the VPN routers are the interfaces on either side of the

Ngày tải lên: 14/08/2014, 14:20

... separate common hub or Layer 2 switch Private addresses are used throughout the test lab configuration The private network of 172.16.0.0/24 is used for the intranet The private network of 10.0.0.0/24 ... 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

... environment to configure and test a Point-to-Point Tun­ neling Protocol (PPTP)–based site-to-site virtual private network (VPN) connection You can use this example deployment to learn about Windows ... Dialup In the Value text box, type 0 Click Apply 27 Click Next, and wait for the profile to finish building 28 When the Completing The Connection Manager Administration Kit Wizard page appears, click

Ngày tải lên: 14/08/2014, 14:20

... 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 ... infrastructure that replace or augment existing private networks thatutilize leased-line or Enterprise-ownedFrame Relay and Asynchronous TransferMode (ATM) Networks IPsec VPNs do notinherently change ... Authority (CA) Server(Reference 10) Using preshared authentication keys works for networks of up to 10 or so nodes, but larger networksshould use RSA public key signatures and digital certificates Reference9:

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 ... organization  Extranet – Outside an organization  Remote Access – Employee to Business Trang 13Virtual Private Networks (VPN)Basic Architecture Trang 15Device Types: Hardware Usually a VPN type of router

Ngày tải lên: 15/03/2014, 16:20

... reserved 14VPNs Trang 15Conventional Private NetworksTrang 16© 2012 Cisco and/or its affiliates All rights reserved 16Virtual Private Networks Trang 17• A Virtual Private Network (VPN) provides the ... Trang 1Implementing Virtual Private Networks Trang 2© 2012 Cisco and/or its affiliates All rights reserved 2VPN Terminology ... same network connectivity for remote users over a public infrastructure as they would have over a private network • VPN services for network connectivity include: – Authentication – Data integrity

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

... Trang 1Virtual Private Network (VPN) Trang 4WHAT VPNS ARE VPN  Kết nối logic ảo  Tạo kết nối an toàn trên ... software VPNs  Software-based VPNs  Integrated with firewalls  Appropriate when participating networks use different routers and firewalls  Benefits  More cost-effective  Offer maximum flexibility ... Enables Web servers and browsers to exchange encrypted information  Characteristics Uses public and private key encryption Uses sockets method of communication Operates at network layer (layer 3)

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

... Twisted-Pair (cable) VBR Trang 18VLAN Trunking Protocol Virtual terminal line WAIS Trang 19Switching 3.0 (Building Cisco Multilayer Switched Networks) Exam Code: 640-604 Certifications: Cisco ... Protocol Independent Multicast Sparse Mode Protocol Independent Multicast Mode Private Internet Exchange (Cisco Firewall) Private Network-to-Network Interface Point of Presence Plain Old Telephone ... 640-604 exam and does not represent a complete reference work on the subject of Building Cisco Multilayer Switched Networks Topics covered in this Study Guide includes: Describing the functionality

Ngày tải lên: 16/10/2013, 13:15

... Trang 1Linux Virtual Server Administration for red hat enterprise linux 5.1 Trang 2Linux Virtual Server AdministrationTrang 3Building a Linux Virtual Server (LVS) system ... systems and serviceswith Red Hat Enterprise Linux and LVS.Trang 4Linux Virtual Server Administration: Linux Virtual Server(LVS) for Red Hat Enterprise Linux 5.1 Copyright©You need to override this ... one or more virtual servers A virtual server is a service configured to listen on a specific virtual IP Refer toSection 6, “VIRTUAL SERVERS”for more information on configuring a virtual server

Ngày tải lên: 10/12/2013, 06:15

... Twisted-Pair (cable) VBR Trang 18VLAN Trunking Protocol Virtual terminal line WAIS Trang 19Switching 3.0 (Building Cisco Multilayer Switched Networks) Exam Code: 640-604 Certifications: Cisco ... Protocol Independent Multicast Sparse Mode Protocol Independent Multicast Mode Private Internet Exchange (Cisco Firewall) Private Network-to-Network Interface Point of Presence Plain Old Telephone ... 640-604 exam and does not represent a complete reference work on the subject of Building Cisco Multilayer Switched Networks Topics covered in this Study Guide includes: Describing the functionality

Ngày tải lên: 10/12/2013, 17:15