in security of virtual private networks

... any other VPN instance Routing information, as well as distribution and processing of that information, for one VPN instance must be independent from the core From a security point of view, the ... Traffic, including routing traffic, from one VPN must never flow to another VPN Routing information, as well as distribution and processing of that information, for one VPN instance must be independent ... 4381 Security of BGP/MPLS IP VPNs February 2006 Security Requirements of VPN Networks Both service providers offering any type of VPN services and customers using them have specific demands for security...

Ngày tải lên: 14/02/2014, 16:20

... (NetBIOS traffic in the case of NT networks; NFS, Telnet, or X−Windows in the case of Unix networks; AppleTalk in the case of Macintosh networks; and NCP in legacy NetWare networks) from Internet traffic ... amount of data transferred in a month exceeds a certain amount It is unlikely that even intensive long−term use of the Internet connection will exceed the costs of leasing a long−distance line of ... header information private, so details of the Internal network can be ascertained by analyzing the header information Data payload encryption can be accomplished using any one of a number of secure...

Ngày tải lên: 29/09/2013, 13:20

... of Client to Client Routing by Including the Office Mode Range of Addresses in the VPN Domain of the Gateway 491 Client to Client via Multiple Hubs Using Hub Mode 491 Chapter 23 Link ... guide is intended for administrators responsible for maintaining network security within an enterprise, including policy management and user support This guide assumes a basic understanding of • ... 286 Defining an LDAP User Group 286 Defining a User Group 287 Defining a VPN Community and its Participants 287 Defining Access Control Rules 287 Installing the...

Ngày tải lên: 06/11/2013, 00:15

... giao thức PPTP, giao thức giao thức đơn giản giao thức không đòi hỏi certificate PKI (Public Key Infrastructure) L2TP Tài liệu hỗ trợ thực tập cho học viên lớp MCSA - www.athenavn.com ...

Ngày tải lên: 21/12/2013, 20:15

... branch office routing) LAN routing > Next > Finish -> Yes Sinh viên thực : Nguyễn Ngọc Ánh 36 Lớp 46K3- CNTT- Đại Học Vinh Xây dựng thiết kế hệ thống VIRTUAL PRIVATE NETWORKS Bước 5: Cửa sổ Routing ... VỈTUAL PRIVATE NETWORKS 1.1 Tìm hiểu Virtual Private Networks Virtual Private Networks (VPN) hay gọi theo tiếng việt mạng riêng ảo, cho phép mở rộng phạm vi mạng nội cách sử dụng lợi internet ... Authentication VPN Tunneling Protocol: Có dạng giao thức tunneling sử dụng VPN: - Point-to-point Tunneling Protocol (PPTP): Phát triển Microsoft, 3COM PPTP thực tầng thứ (Data Link Layer) - IP Security (IPSec):...

Ngày tải lên: 27/12/2013, 21:02

... out: 1799 Packets in: 100 Bytes in: 7143 Monitoring and Maintaining VPNs To display useful information for monitoring and maintaining VPN sessions, use the following commands in privileged EXEC ... Dial -In L2TP is an emerging Internet Engineering Task Force (IETF) standard that combines the best features of two existing tunneling protocols: Cisco L2F (L2F) and Microsoft Point-to-Point Tunneling ... default values for integrated modems Command Purpose Step NAS(config)# line line-number [ending-line-number] Enters the modem line or range of modem lines (by entering an ending-line-number) that...

Ngày tải lên: 24/01/2014, 10:20

... • The long-term goal of NIAP is to help increase the level of trust consumers have in their information systems and networks through the use of cost-effective security testing, evaluation, and ... firewall Firewall based VPNs • Since firewalls already all kinds of packet analysis, adding IP tunneling is relatively easy • Rapid acceptance of IPSec and IKE are making VPNing at the firewall more ... participant has a single security association with a single VPN router that has a security association with every VPN device • Hybrid • combination of both • mesh of hubs • star of hubs Implementations...

Ngày tải lên: 17/02/2014, 14:20

... Virtual Private Networks (VPN) hay gọi theo tiếng Việt Mạng Riêng Ảo, cho phép bạn mở rộng phạm vi mạng nội cách sử dụng lợi internet Kỉ thuật VPN cho phép bạn ... Client hình ảnh minh họa Right click vào My Network Places, chọn Properties, double click vào Make New Connection, sau click Next Chọn vào Connect to private network through the Internet theo hình ... Internet theo hình Nếu bạn chưa kết nối với internet bạn chọn mục Automatically dial this initial connection, bạn kết nối nên chọn Do not dial the initial connection theo hình Click Next Trong...

Ngày tải lên: 26/02/2014, 14:20

... [From Gartner Consulting] What is VPN?  Virtual Private Network is a type of private network that uses public telecommunication, such as the Internet, instead of leased lines to communicate  ... worked in remote locations  Terminologies to understand how VPNs work Private Networks vs Virtual Private Networks Employees can access the network (Intranet) from remote locations Secured networks ... Virtual Private Network c) Virtual Protocol Network d) Virtual Perimeter Network Pop Quiz! A.1 VPN stands for… b) Virtual Private Network VPN stands for "Virtual Private Network" or "Virtual Private...

Ngày tải lên: 15/03/2014, 16:20

... basis Since new products and new releases of old products appear constantly, the authors maintain a web site summarizing these developments For information that has developed since the printing of ... techniques in Chapter 1.3.4 Tunneling Many VPN packages use tunneling to create a private network, including several that we review in this book: the AltaVista Tunnel, the Point-to-Point Tunneling Protocol ... protecting the innocent We found that this helped us maintain our own sanity while writing the book For internal networks, we use the IP ranges set aside in RFC 1918 for use on private networks...

Ngày tải lên: 25/03/2014, 10:53

... was being passed was becoming increasingly private and sensitive to the well-being of the original communication parties Data that used to appear only on certain servers residing on internal networks ... resulting in loss of security The simple fact in security is that ensuring a security posture requires work in of itself — above and beyond the normal data-to-data interactivity with the information ... many levels of risk: loss of privacy, loss of data, and the loss of service Each type of cost must be weighed against each type of loss As the security process becomes engrained into information...

Ngày tải lên: 25/03/2014, 11:03

... Documentation in the Software Packages Summary Chapter 4: Installing OpenVPN Prerequisites Obtaining the Software Installing OpenVPN on Windows Downloading and Starting Installation Selecting Components ... Linux Using YaST to Install Software Installing OpenVPN on Redhat Fedora Using yum Installing OpenVPN on RPM-Based Systems Using wget to Download OpenVPN RPMs Testing Installation and Installing ... Connecting Windows and Linux File Exchange between Windows and Linux Installing WinSCP Transferring the Key File from Windows to Linux with WinSCP The Second Pitfall—Carriage Return/End of Line...

Ngày tải lên: 07/04/2014, 15:38

... depending on individual differences Figure demonstrates a model in which the progress in recovery consists of an accumula- Page of (page number not for citation purposes) Journal of NeuroEngineering ... results and hints have been suggested for researchers who are enrolling in this field, although some findings remain preliminary All in all, we hope that this issue will advance our understanding on ... were sitting on the chair or standing while viewing motion videos Finally, Kiryu and colleagues report a study on the differences in real active and virtual passive exercises in terms of autonomic...

Ngày tải lên: 19/06/2014, 10:20

... beginning, writing Deploying Virtual Private Networks with Microsoft Win­ dows Server 2003 was a labor of love for me As the lead program manager for Secure Network Access in Windows Networking, ... Table of Contents Installing Windows Server 2003 on the VPN Server and Configuring Internet Interfaces Adding Address Records to Internet DNS Servers Deploying an AAA Infrastructure Configuring ... factors make managing security difficult —Ben Smith and Brian Komar, Microsoft Windows Security Resource Kit, Microsoft Press, 2003 Deploying Virtual Private Networks with Microsoft® Windows Server...

Ngày tải lên: 27/06/2014, 00:20

... 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 ... marketing engineer focusing on competitive analysis and market intelligence in network security with specialization in the emerging SSL VPN technology Qiang has extensive knowledge of security ... experience in real-life customer deployments Qiang holds CCIE certifications in routing and switching, security, and ISP dial He is also one of the contributing authors of Internetworking Technologies...

Ngày tải lên: 06/07/2014, 15:29

... đổi thông tin => Vấn đề chia xẻ thông tin Cạnh tranh dịch vụ cung cấp thông tin: kịp thời, xác, … => Vấn đề hệ chia sẻ cho dịch vụ Giải pháp cho hệ chia xẻ nay: sử dụng loại mạng public Internet ... khách hàng mesh để routing routing đơn giản tối ưu khách hàng Tất routes mang bên mạng nhà cung cấp Dịch vụ VPN an toàn Các PE dành riêng phức tạp L3-CE thực Routing tối ưu routing giữa sites sites ... hình thức khác VPN qua site, tường lửa sử dụng cho vấn đề an toàn thông tin Được triển khai để tăng cường an toàn thông tin qua VPN Một vài thuật ngữ thông dụng     Mạng nhà cung cấp (P-network):...

Ngày tải lên: 11/07/2014, 10:16

... factors make managing security difficult —Ben Smith and Brian Komar, Microsoft Windows Security Resource Kit, Microsoft Press, 2003 Deploying Virtual Private Networks with Microsoft® Windows Server ... to play in enabling secure remote access to all of a company’s employees, in con­ necting offices to each other with the touch of a button at minimal cost, and in con­ necting businesses of all ... or public internetwork in a manner that emulates the properties of a point-to-point private link In essence, it makes the remote com­ puter virtually part of the private network by making an encrypted...

Ngày tải lên: 14/08/2014, 14:20

... features of Windows Server 2003 IAS Summary Virtual private networking is the extension of a private network that encompasses links across shared or public networks such as the Internet Microsoft Windows ... Microsoft will continue to maintain interoperable standards for Microsoft Windows–based VPN solutions by continuing its work with VPN vendors in the industry Issues Customers Should Examine Customers ... Windows NT 4.0, Windows 2000, Windows XP Yes Yes Microsoft Windows 95, Varies depending on Windows 98, Windows ME vendor (Millenium Edition), Windows NT 4.0*, Windows 2000, Windows XP Pocket...

Ngày tải lên: 14/08/2014, 14:20

... tunneling protocols: Point-to-Point Tunneling Protocol Layer Two Tunneling Protocol with IPSec Point-to-Point Tunneling Protocol Introduced in Windows NT 4.0, PPTP leverages Point-to-Point Protocol (PPP) ... is a feature of Windows Server 2003, and you can add NAT-T to all cli­ ent operating systems in one of the following ways: • When using Windows 98, Windows 98 SE, Windows Me, and Windows NT 4.0, ... resolvability by using the Ping tool to ping the name of each of your VPN servers when directly con­ nected to the Internet Because of packet filtering, the result of the Ping command might be...

Ngày tải lên: 14/08/2014, 14:20

... for Quarantine Control and Certificate Provisioning One of the most serious issues for information technology (IT) administrators using virtual private networks (VPNs) is determining whether ... quarantining scripting offline rather than as part of your primary setup You not want to test quarantine and certificate provisioning on your production network The client scripts can con­ tain information ... routes representing the off-subnet address pool or pools are present in your intranet rout­ ing infrastructure You can ensure this by either adding static routes representing the off-subnet address...

Ngày tải lên: 14/08/2014, 14:20