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Requirements for VPN Because the VPN is for the Enterprise User Service, relates to the enterprise normal operation, therefore the following from the user angle analysis to the VPN several requirements. VPN availability: That is, the established network can meet the requirements of the user's business. After the ente

This article describes how to build a PPTP VPN service on a Xen VPS that installs the CentOS operating system. Includes the installation, configuration, and corresponding iptables rules for PPTP. This article temporarily does not involve the PPTP traffic control part, waits for the time to learn to understand the Freeradius, then writes the sequel. July 20, 2011 Update: In the security recommendations section, there is an increase in the use of differ

As we all know, because VPN (Virtual Private Network) transmits private information, VPN users are concerned about data security. Currently, VPN uses four technologies to ensure security. These four technologies are Tunneling, Encryption and Decryption, and Key Management) user and device Authentication technology (Authentication ). 1. Tunneling Technology: The t

As a new VPN technology, ssl vpn gateway has its own unique characteristics and has its own merits. Ssl vpn is suitable for mobile users' remote access (Client-Site), while IPSec VPN has inherent advantages in Site-Site VPN connections. These two products will coexist in the

Http://91mail.51.net supply Currently, companies with relatively large scales all have their own subsidiaries. How to keep the branches safe, efficient, low-cost, and multi-purpose connections with the company's headquarters at any time is a challenge facing every enterprise. Traditional methods include leased line connection, dial-up connection, and direct access to IP addresses. However, they are either expensive or have a single function, which may pose security risks. Using a

Network knowledge Review-VPN Virtual Private Network (VPN) refers to the technology for establishing a private Network on a public Network. It is called virtual network, mainly because the connection between any two nodes of the VPN network does not have the end-to-end physical link required by the traditional private network, but is built on the network platform

With the development of network communication technology and the emergence of network applications, more and more user data and enterprise information are transmitted over the Internet. As a result, more and more hackers and cyber threats are emerging. they steal, tamper with, and destroy confidential and sensitive data to achieve their ulterior motives. Therefore, with the development of network communication technology and the emergence of network applications, more and more user data and ente

Rd (route-distinguisher) is used to identify different VPN instances on the PE device. Its main function is to achieve address multiplexing between VPN instances. It and the IP address constitute a 12byte vpnv4 address space, rd and the route are carried together in the bgp update message and published to the peer end. On the one hand, we need to verify whether the RD function is implemented, whether the PE

Take a look at Vpn,vpn (virtual private network, VPN) is a secure, point-to-point connection through a private network or a public network. The VPN client uses a specific tunneling protocol to establish a virtual connection with the VPN server. The best example of a

Requirements for VPNBecause the VPN is for the Enterprise User Service, relates to the enterprise normal operation, therefore the following from the user angle analysis to the VPN several requirements.VPN availability: That is, the established network can meet the requirements of the user's business. After the enterprise user's own business nature, the flow analysis, constructs one to adopt what technology

Tags: TCP remote maintenance efault strong end-to-end DDR FAs SWA stability PPTP VPN server VPN OverviewVPN(full name virtual PrivateNetwork)(1) relying on the ISP and other NSP, in the public network to establish a dedicated data communication network technology, can provide security between enterprises or between the individual and the Enterprise data Transfer Tunnel service(2) The connection between any

Currently, VPN security technology is widely used. Here we mainly analyze the comprehensive application of VPN security technology on sites and clients. It is difficult to achieve network security, and the cost for achieving network security is very high. Due to the rapid development of commercial applications and business practices in the enterprise network infrastructure, every enterprise tries to underst

ADSL is called asymmetric Digital subscriber line. ADSL is called asymmetric because its two duplex channels are used to transmit data to the user, only a small portion of the bandwidth used to send back to the user's information. ADSL on a pair of copper wire support upload rate 640kbps~1mbps, 1mbps~8mbps rate, effective transmission distance within the 3km~5km range. The application of ADSL ADSL LAN users with 4 fixed static IP address, the application of ADSL LAN form network units can be s

Frequent business trip friends, for VPN network should be not unfamiliar, because access to VPN network, no matter where you can through the Internet at any time, to remote access to the internal network of enterprises, access to internal data. And with China's "broadband China" strategy of in-depth promotion, optical fiber home gradually landing, the family network applications began to become more and mor

This article provides a comprehensive explanation of LAN networking. During VPN networking for small and medium-sized enterprises, we will encounter many setup problems. Here we will introduce you to a configuration scheme for LAN formation, A diagram is provided to describe the Entire networking process in detail. After setting up the Internet network on the Router, you can establish a VPN dial-up connecti

For remote Wan users, the virtual private network (VPN) should be a secure connection, but many enterprises question the security of VPN due to many obvious vulnerabilities. Rainer Enders is the CTO of NCP engineering responsible for VPN security in the Americas. In this article, we will learn how a VPN security vulner

Detailed explanation of VPN technology (on) Lu Xiaopo Introduction A virtual private network enables the connection of components and resources across different networks. Virtual private networks can use the Internet or other public Internet infrastructure to create tunnels for users and provide the same security and functionality guarantees as private networks. (Figure 1) A virtual private network allows a remote communication party, salesperson

VPN servers are usually set up using the "route and remote access" component in Windows, but the configuration is complicated. If you can integrate the network firewall and VPN functions, You can simplify the setup process and use firewall policies to enhance the security of the VPN service. Kerio Winroute Firewall (KWF) is a tool built into the

You often use the "Routing and Remote Access" component of the Windows system to set up a VPN server, but this method configuration is more complex. If you can integrate network firewall and VPN functions, you can simplify the erection process, and you can also use firewall policies to enhance the security of VPN services. Kerio Winroute Firewall (hereinafter ref

In today's network age, information security is a problem we have to face. Usually also many do Hai friends ask VPN will not increase security risks, such as credit card theft brush and so on. In fact, this problem needs to be dialectical, the Internet does not have absolute security, VPN is also, if the use of some malicious businessmen to provide VPN, still may