UltraVNC (sometimes written uVNC) is an

open-source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...

remote-administration/ remote-desktop-software utility. The client supports

Microsoft Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...

and

Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which ...

but the server only supports Windows. It uses the

VNC Virtual Network Computing (VNC) 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 g ...

protocol to control/access another computer remotely over a

network Network, networking and networked may refer to: Science and technology * Network theory, the study of graphs as a representation of relations between discrete objects * Network science, an academic field that studies complex networks Mathematics ...

connection.

Features

UltraVNC allows the use of a remote computer as if the user were in front of it. This is achieved by sending mouse movements and key-presses to the remote computer, and replicating the remote computer's display (subject to differences in resolution) locally in real time. UltraVNC bears a strong resemblance to

RealVNC RealVNC is a company that provides remote access software. The software consists of a server (VNC Server) and client (VNC Viewer) application for the Virtual Network Computing (VNC) protocol to control another computer's screen remotely. Histor ...

Free Edition. However, in addition to remote control, it adds various features, such as an

encryption In cryptography, encryption is the process of encoding information. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext. Ideally, only authorized parties can decip ...

plugin to secure the client/server connection. It also supports file transfers, chat functionality and various authentication methods. The two computers must be able to communicate across a network, such as a local subnet, internal network, or the

Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...

. The software is free and distributed under the terms of the

GNU General Public License The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the Four Freedoms (Free software), four freedoms to run, study, share, and modify the software. The license was th ...

. It can use an optional

mirror driver A mirror driver is a display driver for a virtual device that mirrors the drawing operations of one or more additional physical display devices. When video mirroring is active, each time the system draws to the primary video device at a location in ...

, to be installed on the remotely controlled computer, for fast and efficient notification of screen changes with very low CPU load, although this is not needed on latest versions of Windows 10.uVNC Mirror Driver for Windows 10 / 2012
UltraVNC Forum

History

UltraVNC is developed in the C,

C++ C++ (pronounced "C plus plus") is a high-level general-purpose programming language created by Danish computer scientist Bjarne Stroustrup as an extension of the C programming language, or "C with Classes". The language has expanded significan ...

, and

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...

programming languages. The 1.0.6.4 release added support for working as a

Windows service In Windows NT operating systems, a Windows service is a computer program that operates in the background. It is similar in concept to a Unix daemon. A Windows service must conform to the interface rules and protocols of the Service Control Manager ...

under

User Account Control User Account Control (UAC) is a mandatory access control enforcement feature introduced with Microsoft's Windows Vista and Windows Server 2008 operating systems, with a more relaxed

(UAC).

Reverse control

UltraVNC is notable as the base for free no-install remote

help desk A help desk is a department or person that provides assistance and information usually for electronic or computer problems. In the mid-1990s, research by Iain Middleton of Robert Gordon University studied the value of an organization's help desk ...

options including UltraVNC Single Click ("SC") and PCHelpWare. These operate by generating pre-configured executables that can be downloaded and run on systems needing support; these applications then connect back to server software running on the system providing support.

References

External links

* Windows-only free software Remote administration software Virtual Network Computing Portable software Free software programmed in C Free software programmed in C++ Free software programmed in Java (programming language) {{network-software-stub

Features

History

Reverse control

See also

References

External links