What does SSL and VPN mean?
SSL (Secure Sockets Layer) is a protocol developed by Netscape to secure data transmission between a client and a server. It was soon adopted by the likes of Microsoft Internet Explorer and other leading web browsers, providing a secure means to transact data in an encrypted format over the web, most commonly seen with e-commerce sites taking credit card payments for purchases.
A VPN (Virtual Private Network) is a private communications network usually used within a company or by several companies that have a need to share information over a public network. VPN traffic is carried over the Internet using standard (often insecure) protocols.
What is the fuss with SSL VPNs?
SSL VPN technology has been around for several years, but only in the past year has the market literally exploded with low cost purpose built devices. The likes of Juniper, Nortel and now even Cisco have developed these low cost SSL based VPN solutions for various business types including SMEs.
SSL VPNs work at the application layer. Unlike IPSEC VPNs they are far less complicated to setup, support and maintain. As they work with most modern web...
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