VPN (Virtual Private Network) is a private network which is working on existing public infrastructure by creating a tunnel secured by different tunneling protocols. To subscribe to VPN subscription, the user's system need to connect to a remote VPN server which is based in another country. All information is encrypted because of the secured tunnel before it is routed through the tunnel. Moreover, Its requires authentication which has secured by using different VPN protocols namely L2TP and IPSec.
This technology allows hide IP. Nobody can identify your IP as well as your geographical position cannot be found. In addition, all Internet traffic to the VPN server will be encrypted with the key sustainable, and to understand what sites you have visited, it will be impossible.
If we need to acquire a secure channel between our home computer and the Internet without the ISP then thanks to the VPN server that ISP cannot be monitor your stay online and your visited internet pages. ISP logs will only write about the connectivity to the server.
If you are in the particular place, and access to the certain site is closed for IP addresses from your country.
Types of VPN
Now, we will elaborate on various kinds of VPN along with their characteristics so that it would easy for us to select which kind of VPN meets our requirements holistically.
L2TP VPN:
L2TP is an abbreviation of Layer 2 Tunneling Protocol. It provides no encryption by its own however, in its place uses the encryption of the protocol. Being an OSI Session Layer protocol, it is used as a layer 2 Tunnel. It uses Cisco's Layer 2 Forwarding (L2F) and also uses numerous types of Point-to-Point Tunneling Protocol (PPTP) VPN.
IPSec VPN:
An other type of VPN is IPSec which is functioning on a Layer 3 of the OSI Model, it allows fabulous end-to-end security. Third party hardware or software must be used Beauce it allows impenetrable security. It's also require installation of an IPSec client software application. Before using IPSec VPN, It is imperative for you to configure the application.
SSTP VPN:
SSTP (Secure Socket Tunneling Protocol) VPN allows a high level of online security. It has been improved and fixed the loophole present in Point-to-Point Tunneling Protocol (PPTP) or Layer 2 Tunneling Protocol (L2TP). Using SSTP, it can easily beat firewalls and web proxies if there will be no port blocking. Because of using the strong tunneling protocol, it allows better. To unblock sites in internet censoring countries, its depend upon user's choice.
PPTP VPN:
The most commonly used VPN is PPTP VPN which is used in all windows and smart Phones. The reason for being popular amongst users is its fine authentication features which can PPP-based protocols like PAP, EAP and CAP. It is recommended that streaming services of PPT should prefer as compare to sensitive data transfer.
PureVPN - The Best Option for Customers
PureVPN is the essential VPN provider in the industry for offering awesome VPN services. Although there are many providers in the industry but top quality of unrestricted and uninterrupted access to the internet are deliver by few of them
Article Source: http://EzineArticles.com/7643651
0 commentaires: