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Virtual Network Computing logo VNC in KDE 3.1. VNC (Virtual Network Computing) is a graphical desktop-sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. It transmits the keyboard and mouse input from one computer to another, relaying the graphical-screen updates, over a network. [1]
TightVNC is a free and open-source remote desktop software server and client application for Linux and Windows.A server for macOS is available under a commercial source code license only, without SDK or binary version provided. [3]
The software is free and distributed under the terms of the GNU General Public License. It can use an optional mirror driver installed on the remotely controlled computer for fast and efficient notification of screen changes with very low CPU load, [ 5 ] although this is not needed since later versions of Windows 10.
File transfer: the software allows the user to transfer files between the local and remote computers, from within the client software's user interface. Audio support: the remote control software transfers audio signals across the network and plays the audio through the speakers attached to the local computer. For example, music playback ...
RealVNC is a company that provides remote access software. Their VNC Connect software consists of a server (VNC Server) and client (VNC Viewer) application, which exchange data over the RFB protocol to allow the Viewer to control the Server's screen remotely. The application is used, for example, by IT support engineers to provide helpdesk ...
VNC was released as open source software and the RFB specification published on the web. Since then RFB has been a free protocol which anybody can use. When ORL was closed in 2002 some of the key people behind VNC and RFB formed RealVNC, Ltd., in order to continue
x11vnc has security features that allows the user to set an access password or to use Unix usernames and passwords. It also has options for connection via a secure SSL link. [4] An SSL Java VNC viewer applet is provided that enables secure connections from a web browser. The VeNCrypt SSL/TLS VNC security type is also supported.
The initial versions of the XRDP project relied on a local VNC server installation that had to be present alongside the program, in order to relay the graphics and controls between the user and the server [7] (known as the "VNC forwarding mode"). However, this mode is currently not recommended to use anymore, due to its slow performance.