CompatibilityĪll VNC flavors follow the RFB protocol. PcHelpWare and uvnc2me require XP or later. Its embedded Java Viewer allows you to connect (and make File transfers) from a simple Web Browser on any system supporting Java (Linux, Mac OS.) to an UltraVNC server. Windows XP, 2003, Windows Server 2003, Vista, Server 2003 R2, Server 2008: latest version:

(9) PcHelpWare has a preconnect screen that allow to select a RDP or the console session. (8) Runing as service you always clone the console, if started as application you clone the current session (console/RDP). (7) The password is generated for each session, access code is fixed. (6) Using the encryption plugin you can use a longer password or a predefined key. Both sites make an outgoing connection to the repeater and the repeater cross the data. (5) A seperate application 'repeater' is needed. (4) The site behind the nat router need to initiate the connection. (2) One site is connected to the internet the other is behind a nat router. PcHelpWare or uvnc2me can be bundled without restriction. If you want to use UltraVNC or UltraVNC SC in combination with a commercial software you need to create a seperate installer or let your installer download UltraVNC. (1) GPL doesn't allow bunding of GPL and non GPL software. A VNC server must be run on the computer sharing the desktop, a VNC client must be run on the computer that will access the shared desktop. VNC, the Remote Frame Buffer protocol (RFB) allows a desktop to be viewed and controlled remotely over the Internet. It means that you can work on a remote computer, as if you were sitting in front of it, right from your current location. The program allows you to use your mouse and keyboard to control the other PC remotely. UltraVNC is a powerful, easy to use and free - remote pc access softwares - that can display the screen of another computer (via internet or network) on your own screen.

Ubuntu 20.04 desktop vnc server