sophos vpn

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 the VPN technology in detail from the specific concepts, solutions for different users, as well as its interfaces and implementation functions. VPN is short for Virtual Private Network. As the name suggests, we can regard a virtual private network as an internal private line of an enterprise. It can establish a proprietary communication line between two or more enterprise intranets co

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

. (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

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

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

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

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

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

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

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 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

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

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

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