Er zijn verschillende op het vnc-protocol gebaseerde programma's waarmee computers op afstand kunnen worden beheerd. RealVNC dankt zijn naam aan het feit dat het wordt uitgegeven door diverse mensen die vanaf het begin bij AT&T aan dit protocol gesleuteld hebben. RealVNC is verkrijgbaar in een gratis en twee commerciële uitvoeringen. Versie 5.1.0 is uitgekomen en hierin zijn de volgende verbeteringen aangebracht:
All platformsWindows
- NEW: VNC Server can check whether critical software patches, and product updates to which you are entitled, are available to download from the RealVNC web site.
- NEW: VNC Server publishes a more-memorable catchphrase than the unique signature on which it is based, detering man-in-the-middle attacks by making identity checks more intuitive for connecting users. (Enterprise and Personal only)
- NEW: VNC applications can be configured remotely, and locked down to prevent change, using policy. Policy template files are available to download for distribution to target computers using a suitable mechanism, for example Group Policy under Windows. (Enterprise only)
- NEW: Message boxes displayed when connections are unexpectedly terminated can now be suppressed using the
HideCloseAlertVNC Viewer parameter, making scripting easier.- The VNC Server Options dialog has been made easier to use, and highlights features locked down by policy. For both VNC Server and VNC Viewer, it also simplifies the process of creating debug log files to send to RealVNC Technical Support.
- The new
PermissionsVNC Server parameter replacesNtLogon_Config(Windows) andAllowedUsers/AllowedGroups(other platforms). Existing users, groups, and permissions are automatically upgraded. (Enterprise and Personal only)- The
Permissionsparameter now grants access to features in the following sets:f(full),d(default),v(view-only). More information. (Enterprise and Personal only)- The
Permissionsparameter now supports explicitly denying permission to use a feature, as well as allowing and not allowing that feature. Deny cannot be overridden by individual members of a group. (Enterprise and Personal only)- VNC Server logs are now directed to file at more appropriate locations, as determined by the new
LogDirparameter. More information.- The VNC Server Information Center dialog now distinguishes between successful and unsuccessful connections on the Diagnostics page, which may give warning of a port sniffing or brute-force dictionary attack.
- All instances of VNC Server running on a computer can be reconfigured without downtime using the
vnclicense -reloadcommand.- Single sign-on authentication is now easier to set up and benefits from new documention. (Enterprise only)
- VNC parameters are now fully documented.
- FIXED: Copying and pasting text from connected computers is now more reliable. See also the
ServerClipboardGraceTimeVNC Viewer parameter.UNIX
- NEW: Separate MSI installers for VNC Server and VNC Viewer are available for download for deployment to target computers in a Group Policy Object. VNC Server can also be licensed at install-time using a Group Policy transform.
- FIXED: Key combinations such as Alt+Tab are now supported for connections to Windows 8 computers. Note VNC Server must be installed to a secure location such as
C:\Program Files.- FIXED: Second and subsequent monitors plugged-in to discrete graphics cards on Windows 8 computers are now remoted to connected users.
Mac OS X
- NEW: Support for Ubuntu 13.10, Debian 7 and Fedora 19.
- NEW: The
RootSecurityVNC Server parameter protects the system credentials of connecting users from observation by a VNC Server owner who is not root.- NEW: The VNC Server in Virtual Mode daemon (
vncserver-virtuald) supports single sign-on authentication. (Enterprise only)- NEW: The VNC Server in Virtual Mode user interface can be hidden using the
StartUIVNC Server parameter.- NEW: VNC Server in Virtual Mode can clean up stale sockets and release display numbers using the
vncserver-virtual -cleancommand.- VNC Server no longer automatically authenticates users with locked or expired accounts. (Enterprise only)
- VNC Server in Virtual Mode now creates a virtual desktop with a default color depth of 24 (32 bits-per-pixel).
- The
PermissionsVNC Server parameter now accepts the ID of a group as well as its name. (Enterprise and Personal only)- Under AIX, PAM can be substituted for LAM more easily using the new
UsePamVNC Server parameter.- The
vnclicenseutility can manage license keys in locations other than the default/etc/vncusing the newLicenseDirVNC parameter. This is especially useful when installing on a network share.- The man pages have been rewritten.
- VNC Server no longer automatically authenticates users with locked or expired accounts. (Enterprise only)
- VNC Server now checks groups other than the primary Active Directory group to ascertain whether connecting users are eligible to authenticate. (Enterprise and Personal only)
- The
vnclicenseutility can manage license keys in locations other than the default/etc/vncusing the newLicenseDirVNC parameter.
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