explain vpn connection

What is VPN? The full name of VPN is "Virtual Private Network", which is translated as "Virtual Private Network ". VPN is defined as a temporary and secure connection through a public network (usually the internet). It is a secure and stable tunnel through a chaotic public network. Using this tunnel can encrypt data

mechanism from the SP to the client side. Even with this approach, it is hoped that PE can reduce the target VPN configuration instance according to its own configuration. or/And forcibly add some target VPN properties. Rather, this attribute should be called the routing target property instead of the VPN target property. It only identifies some sites that can

The following WLAN test is successful in ubuntu11.04: Install L2TP IPSec VPN We will use l2tp-ipsec-vpn software for Werner Jaeger First, open the terminal and execute the following command to install the l2tp-ipsec-vpn Software Sudo apt-add-repository PPA: Werner-Jaeger/PPA-Werner-vpnsudo apt-Get updatesudo apt-Get install l2tp-ipsec-

Interesting ipsec vpn connection ConfigurationI. Level 1: PIX-PIXThe customer proposed to look at a vpn model. In view of the demonstration nature, the requirements were not high, nor did the customer propose the requirements for negotiation parameters and network structures, we chose cisco pix, a popular vpn device, f

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

of this problem is that the enterprise network connected to the VPN Server uses the same network ID. For example, if the user connects to a hotel broadband network, the ID of the network is 10.0.0.0/24. If the enterprise network also uses the 10.0.0.0/24 ID, they cannot be connected, because the VPN Client Machine regards the destination address as the local network address, so it will not connect to the r

Unable to access Internet after VPN connection The Internet cannot be accessed after the VPN connection. The pptp vpn is created to the company through the system network and the sharing center. It can connect to the company network normally, but cannot access the Internet.

In order to reduce network costs as much as possible, while not affecting the needs of mobile office, a unit decided to install a VPN server in the local area network file server, so that the unit can trust employees anywhere through the VPN network connection, access to the unit file server important data content, And this access way security can also be guarant

Previously, the Hadoop environment was set up in a Windows VPN (VPN connection is because it can connect to the network of the instructor's lab and use the network environment of the lab to allocate virtual machines to the instructor ). No VPN connection has been tried in Ub

Previously, the hadoop environment was set up in a windows VPN (VPN connection is because it can connect to the network of the instructor's lab and use the network environment of the lab to allocate virtual machines to the instructor ). No VPN connection has been tried in ub

You are sitting on a train and trying to work as you walk through tunnels, forests, and uneven terrain. You are sitting on the ground and using a bad network in the cafe to connect. At the airport, the only available seat is at the edge of the internet signal. In the above cases, you will have the same experience: the previous minute you are still working online in the office, and your connection will be interrupted in the next minute. And it always

Workaround: A problem that is easy to connect to VPN under the corporate Unit network, because the VPN connection is global and can change native IP, resulting in the inability to access the internal network of the company. To solve this problem is not difficult, with the help of the modified routing table to bypass, so that access to the internal network or thr

:::::::::::::::::.:::::::::::::::::::::::::::::::::::;:::::::;:::::;:::::::;:- :::::::::::: echo Windows 7_vpn Connection Configuration Echo:::::::::::::::::.:::::::::::::::::::::::::::::::::::;:::::::;:::::;:::::::;:- :::::::::::: In the Echo configuration process, do not do anything to ensure that the configuration is completed successfully! Echo. Echo. I wish you a happy and smooth work! Echo. echo Confirm installation configuration

, and port 80 for HTTP connections. the second function is to convert the file requested by the user into a WML file. in this way, many network applications are restricted. however, encrypted data is transparently transmitted over the WAP Gateway using the HTTP protocol, and the WAP Gateway cannot modify the data. based on this principle, we can place an SSL-based VPN Server in the Internet cloud to open port 443 of the HTTPS connection.Example: A lap

Welcome to the Windows community forum, and interact with 3 million technical staff. Win8.1 is also available for nearly a month. It brings a lot of improved interfaces and operations, but it also brings a lot of trouble to users, the commonly used VPN setting function always prompts a connection error. The following is a simple example to show you how to set up a VPN