Friday, March 6, 2009

VPN (Virtual Private Network)

What is Virtual Private Network

VPN (Virtual Private Network)

Learn how to setup vpn, step by step instructions, how virtual private network works, windows configurations, and hardware and software requirement in the virtual private network. A virtual private network is a private network that uses public network (Internet) and maintains privacy and security procedures through encryption and other security procedure. VPN’s provides an alternative dedicated private network connection for the offices and companies.

PPPT provides a secure 128bit encrypted connection from the local computer to the VPN server. In VPN, not only the data is encrypted but the source and destination network address is also encrypted.
VPN uses internet as a medium to connect to the remote networks and sites and allows virtual connections.

Virtual Private Nework is an alternative method to connecting the office network or a LAN. Internet is a public domain and anyone with a computer, a phone line, modem and internet service can access it.


passwords, firewalls and other security procedures. VPN may be composed of a number of servers and sites.

The most common Virtual Private Nework is a remote-access VPN, which creates a secure tunnel from your computer and your company’s server.

In some cases you don’t even need to have internet access but you only need a computer, telephone line, modem and software, which network administrator might have installed on your computer or you will be provided with the instructions that how to configure PPTP.

After successfully configuring the PPTP, you will be able to dial the company’s server and access it by creating a VPN. In Virtual Private Nework, remote computers act as they are in the same and secure local network.
There are a number of advantages and disadvantages of the VPN connections