[K12OSN] NFS v3 and v4 and Secure Logins

Peter Scheie peter at scheie.homedns.org
Wed Dec 10 01:08:20 UTC 2008

I don't think there is a secure way to use the old XDMCP login of LTSP4.  LDM 
presents a login screen, and then takes the user's login info and builds an SSH 
connection with it.  The lack of XDMCP's security is one of the main reasons LDM 
was created.


R. Scott Belford wrote:
> Aloha
> It is my understanding, and it may be a superficial one, that a
> primary reason for moving away from LTSP4 and NFSv3 was security.  It
> seems like NBD and LDM promise speed and security, thus they are the
> foundation of LTSP5.  However, experience for me is showing that
> nfs-based thin-client deployments, such as with DRBL or the
> K12LTSPel5, are more satisfying for users with 'seasoned' hardware.
> Is it possible that something like NFSv4 would help to solve the
> packet-sniffing concerns, and isn't there a securely-wrapped GUI login
> method other than LDM?  Just wondering.
> --scott
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