VPN appliance definition

A VPN appliance is a network device equipped with enhanced security features. Also known as an SSL (Secure Sockets Layer) VPN appliance, it is in effect a router that provides firewall protection, load balancing, authorization, authentication and encryption for VPNs.

A VPN (virtual private network) is a network that uses a public telecommunication infrastructure such as the Internet to provide remote offices or individual users with secure access to their proprietary data. SSL is a commonly-used protocol for managing the security of message transmission on the Internet. The ideal VPN appliance offers central management and multi-platform functionality and is compatible with all essential network applications and legacy platforms.

This was first published in June 2006

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Learn about the basics of using SSL VPNs to protect sensitive enterprise data and read about the various security features to help you determine if your organization should deploy one.

Expert Karen Scarfone reviews the four important criteria to consider before purchasing an SSL VPN and provides a detailed comparison of the top products available.

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