SSL VPN is an abbreviation of Secure Sockets Layer Virtual Private Network. Simply put, this is a type of VPN which is capable of being used with a simple web browser. Compared to the standard Internet Protocol Security (IPsec) VPN, using a Secure Sockets Layer VPN does not require the user to install a specific client software program on the end user’s computer. One of the main uses of the SSL VPN is to provide remote users with access to a host of different Web applications (usually the ones that they use), internal network connections as well as applications that correspond between the client and the server.
Basically, like any other virtual private network, a Secure Sockets Layer VPN will provide a secure communications channel for the transfer of data, as well as any other information that might be sent and received between two different terminals/ end points. The Secure Sockets Layer VPN consists of one, or maybe more virtual private network devices to which the user can connect simply via their Web browser. The traffic that flows between the Web browser as well as the Secure Sockets Layer VPN device is encrypted with the SSL protocol, or the latest technology in the market; the Transport Layer Security protocol.
There are a host of different benefits of using the SSL VPN compared to the standard virtual private network tools that are available in the market. In a nutshell, SSL VPN provides the user with a great deal of versatility, is extremely simple to get to terms with and use, and also provides significant control to the user on a number of different computers, as it is able to gain access to resources from a number of different locations.
Primarily, there are two major types of different SSL VPNs that are in popular use today. They have been described below:
SSL Portal VPN: This is a type of SSL VPN that allows for the connection of a singular connection to any Web Site, which will in turn allow the end user to gain access to a multitude of different network services. The sits is referred to as a portal, primarily because it is a single ‘door’ or ‘portal’, which allows the user to gain access to a host of other resources. The user can easily access the SSL portal VPN using any Web browser, provide his identification and gain access to the numerous resources on offer.
SSL Tunnel VPN: This is a type of VPN that allows the browser to gain access to a number of multiple network services, which includes protocols that are not based on the Web, as well as applications, with the help of a tunnel that is running under the Secure Sockets Layer Protocol. For a SSL Tunnel VPN to work, the Web Browser should be capable of handling active content, which includes Java, Flash applications and Active X, amongst numerous others.
Depending upon the type of browser that a person uses as well as their purpose of using a SSL VPN, they can decide which of the options would be best suited to their needs. Obviously, these VPNs are paid as per their usage, so finding the right option is also important.
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