Thanks Scott, I was hoping someone like you would chime in and put some 
sense to it all. What you said was what I was trying to communicate with 
'corner-case' since it has long been said to many that "LTSP-5 is the 
current version that you should be using." (straight from #ltsp on 
irc.freenode.net, not just Ubuntu people).


Cheers,
Jordan/Lns


Scott Balneaves wrote:
> As the person who fixed the bug, and who is responsible for LTSPFS
> upstream, allow me to interject.
>
> LTSPFS, or, for that matter, LTSP in the large, never had much of a
> security model.  X was always launched without auth, LTSPFS had no
> security, etc.  This is true for every version of LTSP from 1 to 4.2
>
> When the original bug was filed, causing LTSPFS to gain some security,
> it required a fairly major rewrite of LTSP.  Including going from the
> older Python LDM to the newer C one.
>
> The massive changes to LTSP that occurred at that time and the resulting
> backport that were necessary were  more than the limited pool of
> volunteer LTSP developers could handle at the time.
>
> I think we need to be clear about what's "Ubuntu" and what's upstream.
> Ubuntu, the distro, reported a security flaw in LTSPFS.  LTSP's response
> was to completely re-work LTSP, in essence, producing a whole new
> version.  One that was almost impossible to backport into the distro.
> This is simply an outcropping of the policy of "The release in the
> distro should stay constant.".
>
> Hope this, if nothing else, provides some historical background.
>
> Cheers,
> Scott
>
>   


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Jordan Erickson
Owner, Logical Networking Solutions
http://www.logicalnetworking.net
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LTSPFS security is broken
https://bugs.launchpad.net/bugs/133635
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