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Summary Virtual Private Network (VPN) is an important value-added service of the network. This article describes the basic concepts, categories, key technologies of VPN, and management of VPN data and routes. 1. Virtual Private Network A Virtual Private Network (VPN) is a technology used to establish a private ne

Today, virtual private network (VPN) is widely used in the Internet, which allows enterprise networks to expand almost infinitely to every corner of the Earth, thus, the safe and low-cost Network Interconnection model provides a stage for the development of all-encompassing application services.Virtual Private Network (VPN) is a service that uses public network resources to form a private network for custom

With the development of enterprise Informatization and the arrival of web2.0 era, the traditional office way has not been up to the demand of the Times, mobile office, Soho office gradually become the mainstream office. Compared to the traditional office, mobile office and Soho Office brings more flexible working hours and office location, for timely access to the latest and most valuable information has a great help. In this era of information, who can first control the information who can cont

S8016 high-end vro switches provide VPN services for users based on the operating MPLS network, including layer-2 and layer-3 mpls vpn, and provide complete solutions for enterprise interconnection of different scales and scopes. I. S8016 L3 VPN Function 1. Overview MPLS/bgp vpn can provide a network-based

Using the built-in Routing and Remote Access functions of the Windows server system, setting up a VPN Server is nothing new. However, when setting up a VPN Server in this way, A series of complex and cumbersome settings are required. Obviously, such a "project" will put a lot of cainiao users away! In order to make it easier for cainiao users to build a VPN Serve

Original article: workshop? Ivhpptpd-1.3.4-1.rhel5.1.i386.rpm. Fortunately, this package does not Original article: http://sery.blog.51cto.com/10037/122108I. InstallationThe most convenient installation of pptpd under centos 5 is to download the rpm package pptpd-1.3.4-1.rhel5.1.i386.rpm, and then directly execute rpm? Ivh pptpd-1.3.4-1.rhel5.1.i386.rpm. Fortunately, this package has no other dependencies, so the installation should be exceptionally smooth. If you use the source code for install

This article describes in detail how to solve the problem that vrovpn VPN cannot access the Internet. This article provides some solutions. I believe this article will help you. In the process of configuring VPN routes, we will encounter many problems. It is a common problem that you cannot access the Internet. Here we will introduce the solution. VPN virtual pri

Run the route command to view all the routes. Route The result is roughly as follows: Kernel IP route table destination gateway subnet mask mark hop reference using interface default 192.168.8.1 0.0.0.0 UG 0 0 255.192.168.8.1 255.255.255.255 UGH 0 0 0 wlan0110.185.76.107 192.168.8.1 255.255.255.255 UGH 0 0 wlan0link-local * 255.255.255.0.0 U 1000 0 0 0 wlan0192.168.0.40 * 255.255.255.255 UH 0 0 0 ppp0192.168.8.0 * 255.255.255.0 U 2 0 0 wlan0 Configure all traffic to go through the

How to configure point-to-point VPN on Linux A Traditional VPN (such as OpenVPN and PPTP) is composed of a VPN Server and one or more clients connected to this server. When any two VPN clients communicate with each other, the VPN Server needs to relay the

With VPN, enterprise employees can connect to the enterprise's VPN Server at any time to connect to the enterprise's internal network. With the "Routing and Remote Access" service of Windows2003, You can implement software-based VPN. VPN (Virtual Private Network) is a virtual private network. A temporary, secure, and

With the gradual popularization of the network, more and more enterprises begin to establish their own branches in multiple places. However, because many internal applications of enterprises involve business privacy, therefore, how to make the branch structure securely and smoothly use these applications becomes a topic of concern to every enterprise network administrator. Generally, we can use VPN security devices to implement remote user or branch a

Turn on the VPN service on the router, where we can access resources on the home network and easily and securely access data from the home network. The following will show you how to open the router VPN service. Using the router's DMZ (quarantine) settings or applications using networked storage, we are able to access resources on the home network over the Internet. However, to ensure that communication da

How to Improve VPN security As we all know, VPN (Virtual Private Network) uses tunnels to transmit data between two networks on the wide area network. Because its data is transmitted on the Wide Area Network, although the tunnel technology can provide certain security protection. For example, when data is transmitted in a VPN tunnel, data packets are encrypted

I have been busy a few days ago for my livelihood. Unfortunately, I got sick for a few days, so I didn't keep the documents in time. I would like to apologize to everyone, especially those who are eager to wait for me to write a book. Finally, I started to talk about the IPSec VPN technology. I have explained the principles of ssl vpn and mpls vpn. I still wa

A Virtual Private Network (VPN) allows you to connect to components in a network through another network, such as the Internet. You can use a Windows 2000 Server-based computer as a remote access server, so that other users can connect to it using a VPN and then access shared files on your local drive or network. A virtual private network is implemented by "Creating a tunnel" on the Internet or another publ

How to Use n2n to configure a practical and free VPN solution on Linux A Traditional VPN, such as OpenVPN or PPTP, is composed of a VPN Server and one or more clients connected to this server. When any two VPN clients communicate with each other, the VPN Server needs to rel

Shandong Securities Co., Ltd. is a company operating the securities business in Shandong Province, headquartered in Jinan, in the province of the city has more than 10 sales department, and in Shanghai and Beijing has two sales department. The links between the day-to-day departments are very close, especially in relation to the headquarters of the local city divisions. In view of the characteristics of the securities industry, in order to integrate the network of local cities and towns, and red

. (Computer science) Programme II: Wired The cable scheme must only Buchan fiber for a distance of 12 kilometers, which is more expensive and time-consuming. You don't have to think about it. Programme three: Internet +vpn The internet can be said to be a common wan, a large number of telecommunications operators to establish a wide range of long-distance network, which is our enterprise to use the network of telecommunications companies to achiev

Free and available IPv4 addresses will soon be "exhausted". Over the years, this has prompted most general operating systems to begin to add IPv6 support. However, many applications (such as VPN clients and server software) are not ready for IPv6. This will lead to the situation where the dual-protocol stack host deployment does not support IPv6 VPN software, thus opening the door for security vulnerabiliti

How to configure point-to-point VPN and linuxvpn on Linux A Traditional VPN (such as OpenVPN and PPTP) is composed of a VPN Server and one or more clients connected to this server. When any two VPN clients communicate with each other, the VPN Server needs to relay the