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Re: [libvirt] [PATCH 13/17] qemu.conf: remove vnc_auto_unix_socket



On Thu, May 05, 2016 at 12:39:24PM -0400, Cole Robinson wrote:
> On 05/05/2016 12:20 PM, Pavel Hrdina wrote:
> > This config option is broken, it will generate unix socket even if
> > attribute 'listen' or listen element is specified.
> > 
> > Also following commit will makes this option obsolete.
> > 
> > Signed-off-by: Pavel Hrdina <phrdina redhat com>
> 
> IMO this is not acceptable. For one, there's no precedent for removing a
> qemu.conf option; IMO it's part of our API.
> 
> But the reason this option exists is so site admins can make listen
> type=socket/socket= the graphical default, as opposed to a wide open
> listen=127.0.0.1 that any user on the host can trivially access. VNC passwords
> are known insecure, so locking down the listening mechanism is really the only
> (current) way to secure VNC.

...TLS with x509 certs and/or SASL is an alternative current secure
VNC mechanism.

I agree though its desirable to have a global way to make VNC listen
UNIX sockets instead of localhost


Regards,
Daniel
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