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I looked at VNC. I didn't like the security.
> By default, RFB is not a secure protocol. While passwords are not sent in
> plain-text (as in telnet), cracking could prove successful if both the
> encryption key and encoded password are sniffed from a network. For this
> reason it is recommended that a password of at least 8 characters be used. On
> the other hand, there is also an 8-character limit on some versions of VNC;
> if a password is sent exceeding 8 characters, the excess characters are
> removed and the truncated string is compared to the password.
> However, VNC may be tunnelled over an SSH or VPN connection which would add
> an extra security layer with stronger encryption. SSH clients are available
> for all major platforms (and many smaller platforms as well); SSH tunnels can
> be created from UNIX clients, Microsoft Windows clients, Macintosh clients
> (including Mac OS X and System 7 and up) ? and many others. There are
> freeware applications that create instant VPN tunnels between computers.
> UltraVNC supports the use of an open-source encryption plugin which encrypts
> the entire VNC session including password authentication and data transfer.
> It also allows authentication to be performed based on NTLM and Active
> Directory user accounts. However, use of such encryption plugins make it
> incompatible with other VNC programs. RealVNC offers high-strength AES
> encryption as part of its commercial package, along with integration with
> Active Directory. Workspot released AES encryption patches for VNC.
Also, the 4 or 5 vnc clients I tested kept crashing on me. grr!
For me, it was just easier for everyone involved to standardize on rdp
On 3/19/2012 11:31 AM, Waldron, Michael H wrote:
> Yes, there is a very simple method of using VNC, which is available with
> most Linux distros. Make sure you have both vnc and vnc-server packages
> installed in the image. You don't have to have the VNC client installed
> on the end-user's desktop, you can use the client in the Linux image.
> To start a full desktop:
> - Make sure you are running an X-window manager on the user desktop.
> - ssh into the Linux machine (set ssh client to forward X11 packets)
> - vncserver -localhost
> - vncviewer localhost:1
> The vncserver command will start a desktop session, prompting to set a
> password that will be used to connect to it. The vncviewer command will
> connect to the desktop session, the user is prompted for the password
> they just set. The desktop is then displayed on the user's desktop as an
> X11 display.
> Mike Waldron
> Systems Specialist
> ITS Research Computing
> University of North Carolina at Chapel Hill
> CB #3420, ITS Manning, Rm 2509
> *From:* Mike Haudenschild [m...@longsight.com]
> *Sent:* Monday, March 19, 2012 2:18 PM
> *To:* firstname.lastname@example.org
> *Subject:* Full desktop Linux images?
> Good afternoon, VCL users --
> I was curious if anyone else is running full Linux desktops (e.g. with
> GNOME) with VCL. Specifically, is there an implemented method for
> connecting to the GUI (i.e. as RDP is used with Windows), or are Linux
> images restricted only to the shell? Any tips/tricks?
> Many thanks,
> *Mike Haudenschild*
> Education Systems Manager
> Longsight Group
> (740) 599-5005 x809
> m...@longsight.com <mailto:m...@longsight.com>
> www.longsight.com <http://www.longsight.com>
California State University Fullerton
Phone: (657) 278-2256
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