Surf Internet without a Trace: VPN
VPN Stands for Virtual Private Network. It allows an user to connect secularly and remotely to any workplace (i.e. a server) to provide remote working environment to traveling persons. VPN usually uses a secure connection to connect to the workplace either directly through the Workplace VPN Network or through the Internet itself. A VPN user experiences the workplace network in a manner that is almost identical to being connected directly to the central workplace network. VPN is quite secure as it uses tunneling protocol to transmit data between its nodes so as to minimize data being intercept by the hacker. But, not only these, there are also some other features which allows the hacker to exploit the web without leaving a single trace.
Also, if you are a College Student and you surf internet through the college Wi-Fi and your administrator have blocked chat and social networking sites. Then the easiest method to bypass Firewalls is to use either a Proxy Server or a VPN Server. But, using Proxy is least secured. You can also use many Free VPN Providers as well as Paid Providers as per your requirement and capacity.
Some of the most famous VPN Providers are:
OpenVPN
PacketiX.NET
UltraVPN
Hotspot Shield – The most popular free VPN client
TorVPN
CyberGhost
Hide My Ass!
PureVPN
IAPS Security
ExpressVPN
Once the connection has been established, the remote client can communicate with the internal company systems over the Internet just as if it were a local host.
VPN Tunneling Protocols/Methodologies
Point-to-Point Tunneling Protocol (PPTP)
Point to Point Tunneling Protocol (PPTP) can also be used to tunnel a PPP session over an IP network. In this configuration the PPTP tunnel and the PPP session runs between the same two machines with the caller acting as a PNS.
Layer Two Tunneling Protocol (L2TP)
The L2TP Protocol is used for integrating multi-protocol dial-up services into existing Internet Service Providers Point of Presence.
Internet Protocol Security (IPsec)
IPsec uses cryptographic security measures to protect communication over Internet or the IP. IPsec supports network-level peer authentication, data origin authentication, data integrity, data confidentiality (encryption), and replay protection to provide security to the VPN Network.
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