CREATE A VPN ON MICROSOFT WINDOWS
In this section we will give you a series of basic steps to create a VPN correctly on computers with Windows operating system.
Recall that a VPN allows users belonging to the network remotely using the resources of other equipment such as printers or other, and provides access to documents and applications remotely, via a private network created on the Internet.
To create a VPN, in principle we should consider the points needed to ensure the authentication, integrity and confidentiality of communication.
Users should be clear who will have access to that network, and keep computers up to date to avoid risks of data corruption.
The first thing you need to create a VPN is a PC that acts as a server and accept incoming connections, and the number of active client PCs that are required to be part of this new network. Remember this protocol is based on the client-server approach.
Working with Windows operating systems, it is more convenient option for use PPTP because it is often the simplest and only requires a user authentication through a protocol based on PPP.
Creating a virtual private network
Suppose we have two teams (also valid for more) in a remote area, and we want to be connected to share resources and documents.
Both teams must have their own Internet connection to make it possible to create a VPN, and use the operating system Windows 2000 or Windows XP. Computers that have installed Windows 95 or Windows 98 can also be added to the network if the previously downloaded updates from the Microsoft site.
In principle, one of the teams should be the server, which is responsible for the authentication and the rest of the teams will have a connection with him as clients to access the VPN.
After you decide what will be the team to act as a server, it must create a "New Connection" in "Control Panel" folder inside the "Network Connections" from then on will have the help of an assistant we are guided by the simple and intuitive steps.
In the first screen that shows the wizard "type of network connection," must select "Set up an advanced connection", the following screen should select "Allow connections.
In the "Devices connections" do not select an item, click "Next."
When we have before us the picture of "virtual private network (VPN) call," select "Allow virtual private connections."
As we ask the Wizard for "permits users to choose who will be allowed access from the outside through the VPN to our team.
At this point we can choose to create users from the same screen, or create them from the Control Panel via the "User Accounts". Establishing the number of users required for equipment to be connected. Once selected or created users move to the next screen by clicking Next.
In this window "Network Software" select "Internet Protocol (TCP / IP)" and "File and Printer Sharing for Microsoft Networks." These are the elements to share documents and resources they want. If either is not installed, you can simply click on it and the system will begin to install the desired component.
The next step is to configure the protocol in accordance with the requirements we need for our virtual private network by selecting it and then clicking on the button "Properties."
If we want the users also have access to our LAN, enable the box "Allow callers to access my local area network"
Let the server assigns IPs for each client by selecting "Automatically TCP / IP addresses using DHCP. Save the settings and clicking the Next button and thus our VPN server is now ready to receive guests. Looking at "Network Connections", will see the new connection.
However, we are missing a step, which will configure a VPN connection to connect to the server.
The steps in the PC Client:
Create a new connection in Network Connections, "when we asked the assistant on the connection type, choose" Connect to the network at my workplace. "
As a type of network connection, choose "Virtual Private Network connection" and then select a number of items according to the needs of our network, such as whether or not we want to use an initial connection. As the last step enter the public IP address of the VPN server.
In this way we will set up VPN, and from there we just give the user and the password that we have turned on the server.
Note that if you have a modem that we provide dynamic IPs, it will be necessary to give the IP to be used each time they access the VPN.
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