secure wireless access with virtual private networking

... Tunneling Protocol with Internet Protocol Security (L2TP/IPSec) remote access VPN without making it difficult for the user? This is a problem because setting up a remote access connection is ... • Remote access clients that do not comply with network access requirements are restricted to only the file share and Web site that are available on the quarantine resource • Remote access policies ... external network It will define who is allowed to access the system and how they are allowed to access it For instance, if you want remote users to access the VPN servers only if they are using L2TP/IPSec

Ngày tải lên: 14/08/2014, 14:20

... either Allow Access or Control Access Through Remote Access Policy When you cre-ate user accounts with the Demand-Dial Interface Wizard, the remote access permission is set to Allow Access Trang ... Remote Access (Dial-Up Or VPN) instead of Secure Connection Between Two Private Networks in the Routing And Remote Access Ser ver Setup Wizard Microsoft recommends this option because the Secure ... (Dial-Up Or VPN) option With the Remote Access (Dial-(Dial-Up Or VPN) option, the Routing and Remote Access server operates in the role of a VPN server that supports both remote access and site-to-site

Ngày tải lên: 14/08/2014, 14:20

... the remote access permission on each of the calling-router user accounts to Allow Access or Deny Access to manage remote access by user Or, to manage access by group, set the remote access permission ... Infrastructure Routing and Remote Access can be configured with either the Windows or RADIUS authentication provider If Routing and Remote Access is configured with the Win-dows authentication ... the authorization (the remote access policies) and accounting (logging) using the Routing and Remote Access snap-in If Routing and Remote Access is config-ured with the RADIUS authentication

Ngày tải lên: 14/08/2014, 14:20

... least one remote access policy • Be granted remote access permission through the user account (set to Allow Access) Or, if the user account has the Control Access Through Remote Access Policy option ... Chapter 11, “Troubleshooting Remote Access VPN Connections,” we went through the extensive and involved procedures for troubleshooting remote access virtual private networks (VPNs) The process ... 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

Ngày tải lên: 14/08/2014, 14:20

... 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 ... right-click Remote Access Policies and then click New Remote Access Policy. 11. On the Welcome To The New Remote Access Policy Wizard page, click Next. Appendix D Setting Up Remote Access VPN Connections ... Method page, type VPN remote access to intranet in the Policy Name text box. 13. Click Next. On the Access Method page, select VPN. 14. Click Next. On the User Or Group Access page, select Group.

Ngày tải lên: 14/08/2014, 14:20

... configure the test lab for PPTP access, configure IAS1 to allow the VPNUsers group to access the intranet segment from the Internet segment � Create a remote access policy for VPN connections ... tool 2 In the console tree, right-click Remote Access Policies, and then click New Remote Access Policy Trang 53 On the Welcome To The New Remote Access Policy Wizard page, click Next 4 On the ... Method page, type VPN remote access to intranet in the Policy Name text box and click Next 5 On the Access Method page, select VPN and click Next 6 On the User Or Group Access page, click Group

Ngày tải lên: 14/08/2014, 14:20

... 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 [...]... ... ENCRYPTION SCHEMES USED BY  VPNS (CONTINUED)  Secure Sockets Layer (SSL)  Developed by Netscape Communications  Corporation  Enables Web servers and browsers to exchange  encrypted information  Characteristics  Uses public and private ... ENCRYPTION SCHEMES USED BY  VPNS  Triple Data Encryption Standard (3DES)  Used by many VPN hardware and software  3DES is a variation on Data Encryption Standard  (DES)  DES is not secure  3DES is more secure  Three separate 64­bit keys to process data  3DES requires more computer resources than DES 30

Ngày tải lên: 17/09/2012, 10:44

... Có hai loại phổ biến hiện nay là VPN truy cập từ xa (Remote-Access ) và VPN điểm-nối-điểm (site-to-site) 1 VPN Remote Access - Remote Access VPNs cho phép truy cập bất cứ lúc nào bằng Remote, mobile, ... remote access VPN là dùng wireless VPN, trong đó một nhân viên có thể truy cập về mạng của họ thông qua kết nối không dây Trong thiết kế này, các kết nối không dây cần phải kết nối về một trạm wireless ... Trang 1VIRTUAL PRIVATE NETWORK (VPN) Nhóm 18 Lớp: DHTH3 GV: Th.s Nguyễn Hòa Danh sách: 1 Đặng Hồng Hải 2 Hồ

Ngày tải lên: 25/04/2013, 21:03

... modern VPN systems are combined with firewalls in a single device Virtual Private Networking Explained Virtual Private Networks solve the problem of direct Internet access to servers through a combination ... print access, LAN e−mail, Remote Procedure Calls, and client/server database access Virtual Private Networks between LANs can be established using server computers, firewalls, or routers Client access ... Trang 1 Virtual Private NetworksOverview Using the Internet to link LANs and give remote computers LAN access causes serious security, performance, reliability,

Ngày tải lên: 29/09/2013, 13:20

... chapter 8.1 Wireless Local Loop versus Wired Access Fixed Wireless Access (FWA) systems, which can also be called Wireless Local Loop (WLL) systems, are intended to provide primary access to the ... deals with the wireless local loop subscriber terminals, Wireless Local Loop Interfaces to the Public Switched Telephone Network (PSTN), and the IEEE 802.16 standards on Broadband Wireless Access ... stan-dards for fixed broadband wireless access A similar standard called HIPERACCESS is being developed in Europe by the standardization committee for Broadband Radio Access Networks (BRAN) While

Ngày tải lên: 29/09/2013, 21:20

... applications The API allows you to write code to format secured SOAP request messages in the client and to process secured messages within a Web service Secure Web Services in an SOA Security in an SOA ... known as the public/private key pair. The public key is available to anyone who wants to communicate with the service,and the client uses this key to encrypt the messages The private key is used ... particular task WSE 3.0 provides us with the tools required to address most of these concerns withouthaving to manually build the messages that will be compliant with the WS-Security specifica- tion

Ngày tải lên: 05/10/2013, 08:51

... 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 ... CONCLUSION 21 FOR MORE INFORMATION .21 INTRODUCTION A virtual private network (VPN) is the extension of a private network that encompasses links across shared or public networks...

Ngày tải lên: 22/10/2013, 09:15

... Các dòch vụ phổ biến  Remote Access Over the Internet  Connecting Networks Over the Internet  Connecting Computers Over an ... người sử dụng: Quản lý đòa Mã hóa liệu Quản lý khóa Hỗ trợ đa giao thức 01/24/14 GIỚI THIỆU REMOTE ACCESS  Trong nhu cầu số lượng máy tính ngày tăng  Do nhu cầu kết nối xa người sử dụng  Những...

Ngày tải lên: 24/01/2014, 03:20

... 802.1X Standard 160 Virtual Private Network for Wireless LANs .161 Building a Secure Wireless LAN with 802.1X and VPN Technology 164 Point−to−Point Wireless Connectivity between ... with related technologies like HomeRF as well as emerging technologies and developments in wireless networking are also examined Building Secure Wireless Networks with 802.11 focuses on the wireless ... Building Secure Wireless Networks with 802.11 Table of Contents Building Secure Wireless Networks with 802.11 Introduction ...

Ngày tải lên: 25/03/2014, 11:08

... is described as a wireless access application in which the location of the subscriber terminal (ST) is mobile The second category, nomadic wireless access (NWA), is a wireless access application ... System The ITU defines wireless access system (WAS) as end user radio EURASIP Journal on Wireless Communications and Networking Table 1: Comparison of alternative broadband access technologies Bandwidth ... price broadband wireless access network In short, network planner devotes to optimize an efficient network planning with the target on lowering the system cost for broadband wireless access network...

Ngày tải lên: 21/06/2014, 18:20

... businesses, and at homes Wireless networking has taken LAN connectivity a step further Now, with wireless networking, LANs have become far more flexible than they used to be Wireless LANs are easier ... that "unified Wireless Access technology provides the common glue between the myriad of Service Providers, hardware vendors, and wireless Internet access points." 802.11 Public Access Wireless LANs ... An access point is a station, thus addressable So data moves between the BSS and the wired network with the help of these access points A wireless LAN consisting of two computers and an AP, with...

Ngày tải lên: 14/08/2014, 14:20

... allows wireless equipment to operate in a wireless LAN, and wireless LAN authentication We also talk about the most common known attacks on wireless LANs Wireless Access Point (AP) Security Most wireless ... neighbor's conversation Wireless LANs are, therefore, inherently insecure and appropriate measures must be taken to ensure a high−performance and secure wireless LAN 87 To secure a wireless LAN, both ... secure when compared with a standalone wireless LAN Wireless LAN security can be compared to wired LAN security by using the example of old cordless phones that did not securely communicate with...

Ngày tải lên: 14/08/2014, 14:20

... Modem To provide Internet access to each DSL provider specific Best LAN speed within the budget Provides secure access to remote One with industry−standard Virtual Private security features and ... be installed with Gigabit Ethernet adapters, and desktop computers should be supplied with the Fast Ethernet adapters Virtual Private Network (VPN) Gateways and Clients Virtual private networks ... identification of the wireless LAN equipment A basic wireless LAN operating in infrastructure mode consists of wireless LAN adapters and wireless LAN access points (APs), whereas a wireless LAN operating...

Ngày tải lên: 14/08/2014, 14:20