51cto salon stage 15th: From configuration to design -- two-hour understanding of VPN
Virtual Private Network (VPN) refers to the technology for establishing a private network on a public network. This technology has long created a relatively secure and stable network access environment for various enterprises and institutions. However, VPN varies depending
Enterprise VPN Network application Enterprise Information systems need to connect branches across the network, and need to easily keep in touch with mobile employees, preferably with other partners, suppliers, distributors, etc. to establish a close and efficient contact. The traditional networking approach is: Dedicated WAN, dial-up networking, and direct use of the Internet to build the company's Internet or extranet. The following is an analysis
In enterprise applications, VPN should be the most used one. In particular, the company has a division of the case, visible VPN in the enterprise application is how extensive. Of course, there are many ways to implement VPN functionality, the company can buy VPN hardware devices, or you can use a dedicated Cisco router
VPN routing technology mainly uses tunneling technology and encryption methods. Here we mainly analyze how to use the VPN route table to use both the optical fiber access network and the telecom network. If you use IP address verification, and it is not suitable for normal ADSL and other dynamic IP address users, it is not convenient to use MAC address verification, because many ADSL uses a router to access
ADSL is called an asymmetric digital user line. ADSL is called asymmetric because its two duplex channels are used to transmit data to users, and only a small portion of bandwidth is used to send user information back. ADSL supports the upload speed of kbps on a copper-to-copper line ~ 1 Mbps, 1 Mbps ~ 8 Mbps, valid transmission distance between 3km ~ Within the range of 5km.Application of ADSLAdsl lan users have four fixed static IP addresses. enterprises applying for access through the adsl la
Application of SSL VPN
SSL VPN provides a variety of remote access services to the enterprise. Introduce the following common services:
E-mail: For enterprises, e-mail communication is a very basic function. IPSec VPN protects the messaging system, but IPSec VPNs need to install client software and connect to the corporate network before they can use an interna
method of setting up L2TP VPN tp842+ router
A company needs to provide VPN access to staff on business trip to ensure that the staff can access the intranet server resources through VPN tunnel safely. Analysis of user requirements, you can use the L2TP VPN capabilities to meet this requirement. The following is a tabl
As a widely used access network method, the technology of the ADSL Router is very mature. Next we will give you a detailed analysis on how to perform VPN connection. Virtual Private Network (VPN) is an extension of a Private Network. It contains Internet-like shared or public Network connections. Through VPN, data can be sent between two computers through a share
At present, Edge Routers are widely used, and there are also many problems. So I studied the security of MPLS-based VPN technology in Edge Routers, I would like to share it with you here and hope it will be useful to you. If an enterprise deploys a Multi-Protocol Label exchange MPLS) managed Virtual Private Network VPN (VPN) service, it will not only get high-qua
This is certainly not the first article on "Quick Guide to building a VPN using Cisco devices, however, we still hope that this guide will become an all-in-one guide for users who use ASA 5505 devices to set up VPN and connect to the Internet.
The ASA itself has a setup wizard, but this wizard does not cover all aspects of work required by the user, and some steps are vague, making it difficult for the user
The demand for the soft route of sea spider in the soft route market is still very high, and its performance is also very good, maybe many people do not know how to use the soft route of sea spider through the vpn line, it does not matter, after reading this article, you must have gained a lot. I hope this article will teach you more things. I believe many of my eldest brothers have already learned and done well by Using
1. Introduction to SSL VPN features
1. 1 SSL VPN Feature introduction
The FortiGate SSL VPN feature uses SSL and proxy technology to enable authorized users to secure reliable Web clients, server-side applications, or other file resource sharing services. FortiGate SSL VPN works only under NAT mode, and transparent m
Implementation of VPN on a Cisco router: 1. software requirements: IOS with performaniseplusistmc56 is required. Currently, stable versions are 12.07T2. Hardware requirements: 8 mbflashand40mbram in DownloadIOS, the software and hardware requirements of the downloaded IOS version are prompted. 3. IPSec manual method considerations
Implementation of VPN on a Cisco router: 1. software requirements: IOS of ent
Article Title: Use vpn to connect to a remote server in Ubuntu. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
The company's servers provide vpn access points so that they can connect to the company's servers through vpn at h
Next to the content in the previous section:
What is PPTP?
The following is an official explanation of Microsoft (the first draft submitted by Microsoft ):
Point-to-Point Tunneling Protocol (PPTP) is a network protocol thatEnables the secure transfer of data from a remote client to a private enterprise serverBy creating a virtualPrivate Network (VPN) Upload SSTCP/IP-basedData networks. PPTP supports on-demand, multi-protocol, Virtual Private Networki
This article describes how to compile a Python script to configure a VPN in batches. Setting up a VPN is a very popular behavior in China (well...). For more information, see
Origin
As we all know, the recent network is not harmonious, the speed is slow, and the VPN is still disconnected. Fortunately, yunti provides a lot of servers for switching, but there are
Centos 6.x configure VPN
The full name of VPN is "Virtual Private Network", which is translated as "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 connected to the Internet in different places through special encrypted communicatio
Find the private channel for the VPN Intranet to log on to the Internet. The author is located in a branch. There are two network lines, one is frame relay to the headquarters of the company, and the other is the normal ADSL bandwidth, only 512 K. The entire branch uses the K broadband Internet shared by each user, the available bandwidth becomes very small, and the network application experience is not smooth. I have heard that the Internet egress ba
Buy a cheap VPS and install the linux system. run pptpd to implement the VPN service and use the famous iptables for nat forwarding. This looks like a professional VPN service. Configure the user name and password to implement a vpn shared by multiple users. the simple steps are as follows: 1 buy vps5.99 $/year https://bandwagonhost.com/aff.php?aff=1018 Buy a che
Official website of Pptpclient
Pptpclient official http://pptpclient.sourceforge.net/howto-diagnosis.phtml#pppd_options
1. use yum to install ppp and pptp packagesYum-y install pppYum-y install pptpIf yum does not have pptp, go to the http://pptpclient.sourceforge.net to download the installation, here we recommend using rpm package.I installed using: http://sourceforge.net/projects/pptpclient/files/pptp/pptp-1.7.2/pptp-1.7.2-3.rhel5.i386.rpm/downloadRpm-ivh./pptp-1.7.2-3.rhel5.i386.rpm2. config
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