On 2014-09-10 14:39:21 -0500, Denis Croombs wrote:
> Hi, we have some lisp servers 

Wow, Lisp! Er, LTSP. :)


> and pc's pxe booting as thin long-running all apps on the ltsp server,
> but when we do a vulnerability scan it tells us that it is finding an
> x server on each pxe booted device iPhone using port 6007/tcp.

6007 appears to be listed as one of the x11 protocol ports:

  $ grep 6007 /etc/services
  x11-7           6007/tcp
  x11-7           6007/udp


> I believed this connection between the pc and the server was over ssh
> and therefore secure Anyone got any clue what we have done wrong ?

If you're using LDM_DIRECTX, then only the initial authentication goes
over ssh, and the rest of the session over insecure X11 protocol. That's
a performance vs. security tradeoff to be made.

I haven't yet verified for myself if 6007 is open in either the default
or LDM_DIRECTX case, but will do so shortly...


live well,
  vagrant

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