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qubes.VMShell.policy: extend comment

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Marek Marczykowski-Górecki 2014-05-07 15:34:59 +02:00
parent 8fca6e64f0
commit 6ef280b132
1 changed files with 5 additions and 3 deletions
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qubes-rpc-policy/qubes.VMShell.policy
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@ -7,9 +7,11 @@ $anyvm $dispvm allow
$anyvm $anyvm deny $anyvm $anyvm deny
# WARNING: The qubes.VMShell service is dangerous and there are really few # WARNING: The qubes.VMShell service is dangerous and there are really few
# cases when it could be safely used. Allowing one VM to execute qubes.VMShell # cases when it could be safely used. Especially when policy set to "ask" you
# over the other VM allows the former to TAKE FULL CONTROL over the later. In # have no way to know for sure what command(s) will be called. Compromissed
# most cases this is not what we want! # source VM can substitute the command. Allowing one VM to execute
# qubes.VMShell over the other VM allows the former to TAKE FULL CONTROL over
# the later. In most cases this is not what we want!
# #
# Instead we should be using task-specific qrexec services which provide # Instead we should be using task-specific qrexec services which provide
# assurance as to what program will be responding to the (untrusted) VM # assurance as to what program will be responding to the (untrusted) VM