A Comparison of VNC Connection Methods

Contributed by Frank Isaacs

VNC (Virtual Network Computing) is an open-source, cross-platform protocol for viewing GUI desktops on remote machines within a LAN or over a WAN/Internet connection. This paper discusses different methods of deploying VNC with a n emphasis on the security considerations of each method, and the tradeoffs associated with the convenience of each method. The methods discussed include an open connection and a connection tunneled over ssh (Secure SHell). Includes information regarding the platform-independence of VNC and ssh implementations, so that solutions presented can be applied to Windows, Linux, Mac, and even other operating systems – securely and with open-source software.

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