The display number and ports to use can be configured or set to Auto which defaults to Display 0 , Port and JavaViewer port Display Defaults to 0. Allow Loopback Connections Sometimes this could be helpful for tests. Normally it's not needed since the result is not very useful. Loopback Only Needed for tests. Connections from outside are not allowed. When last client disconnects In a helpdesk scenario, you normally "Do Nothing" when disconnecting. When administering servers via remote control, you might wish to either "Lock Workstation" or "Logoff Workstation" for security reasons.
Query on incoming connection If enabled, every time someone tries to connect via UltraVNC, a pop-up dialog informs the user and asks the user to either accept or refuse the attempt. Configure the timeout for the dialog window and what action should be taken if the user clicked no button until timeout.
This can be configured by "Disable Viewer inputs" or "Disable Local inputs". Multi viewer connections Here you can configure the behavior if multiple viewers attempt to connect to the same UltraVNC Server. Authentication "VNC Password" is a per-machine password and is required. Requires computer and user to be in the same domain.
Allows for cross-domain authentication, i. Viewer Translations rename dll to vnclang. Mirror Driver Mirror driver min OS XP, max win7 X64 Full installer auto download mirror drivers, but if you selected no you can manual install the mirror driver.
Instead of using the password as part of the encryption, we now check the password insite the encryption by the server. This allow the server to balcklist servers after x fault password. No protection against Brute force password hacking. And doesn't ask to reject the connection. UltraVNC 1. Files: ultravnc win32 setup. This dll's translate the gui.
These types are listed below. All clients are required to support this encoding type. Raw is also the fastest when the server and viewer are on the same machine, as the connection speed is essentially infinite and raw encoding minimizes processing time. The Copy Rectangle encoding is efficient when something is being moved. The only data sent is the location of a rectangle from which data should be copied to the current location.
Copyrect could also be used to efficiently transmit a repeated pattern. With this encoding, a sequence ofidentical pixels are compressed to a single value and repeat count. In VNC, this is implemented with a background color, andthen specifications of an arbitrary number of sub rectangles andcolor for each.
This is an efficient encoding for large blocks ofconstant color. This is a minor variation on RRE, using a maximum of xpixel rectangles. This allows for single-byte values to be used,reducing packet size. This is in general more efficient, because the savings from sending 1-byte values generally outweighs thel osses from the relatively rare cases where very large regionsare painted the same color.
Here, rectangles are split up in to 16x16 tiles, which aresent in a predetermined order. The data within the tiles is senteither raw or as a variant on RRE. Hextile encoding is usually the best choice for using in high-speed network environments e.
Ethernet local-area networks. Zlib is a very simple encoding that uses zlib library tocompress raw pixel data. This encoding achieves good compression, but consumes a lot of CPU time. Support for this encoding is provided for compatibility with VNC servers that might notunderstand Tight encoding which is more efficient than Zlib innearly all real-life situations.
Like Zlib encoding, Tight encoding uses zlib library tocompress the pixel data, but it pre-processes data to maximizecompression ratios, and to minimize CPU usage on compression. Also, JPEG compression may be used to encode color-rich screenareas see the description of -quality and -nojpeg optionsabove. Tight encoding is usually the best choice forlow-bandwidth network environments e. This means it favors speed over compression ratio.
Toggle Full Screen Mode. Show Connection Options Refresh Screen. Send Custom Key. Show Status Window. Close Connection. Hide Toolbar Buttons. Open File Transfer Select Single Window. Select Full Desktop. Open Chat File Transfer Open the file transfer dialog window. Open the chat dialog window. Show or hide the VNCViewer toolbar.
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VNC remote desktop support software for remote PC control. Free. Anydesk, teamviewer alternative. View Only No keyboard or mouse events are sent from the viewer to the server. Allows to view a remote computer by opening a browser and go to "Disconnect all existing connections" implies that only one viewer can be connected at a.