Quoting <C45048E5BA68D011ACE708002BE623F204ED16D1 at ilo-exc-1.ilo.cpqcorp.net>
by "McDaid, Aaron" <Aaron.McDaid at compaq.com>:
> > You can run X over ssh can't you?
>> Anyway, I've always wanted to know how the hell
> that worked. What's the processes DISPLAY variable.
> I suppose it couldnt' be the target display (your
> machine) because that would defeat the purpose (a
> sniffer could see the plain X packets.
>> Does it point to some kinda X Server proxy thingy
> on the server which pumps it through the ssh session
> and then the ssh client forwards it the the target
It creates a 'virtual X server' which looks like a display attached to
the machine you're logged into, which clients talk to, which traffic
is then forwarded to your local X server. The DISPLAY variable is set
up for you by ssh.
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