Re: [Qemu-devel] resetting a stale VNC connection

[Anthony Liguori]

Daniel P. Berrange wrote:
> On Tue, Apr 21, 2009 at 04:38:55PM +0300, Avi Kivity wrote:
>   
> > David S. Ahern wrote:
> >     
> > > Is there a monitor command (or other method) to force a VNC client
> > > connection to close?
> > >
> > > It looks like the vnc code does not use keepalive probes. If the
> > > connection is left hanging the VNC server will never drop it. I have hit
> > > this condition a couple of times when a VPN connection drops while the
> > > vncviewer is connected to a VM.
> > >
> > > Specific software version at the moment is kvm-81.
> > >  
> > >       
> > Why not just enable tcp keepalives?
> >     
>
> Independant of killing off stale VNC clients, it could be desirable to
> have a monitor command to kill a client, to allow revoking of end user
> access to VNC.
>   

I'm surprised change vnc none doesn't kill off all VNC connections.

I don't see a compelling use case to boot off individual clients other 
than we can.  Is there something specific you were thinking someone 
would want to do?

Regards,

Anthony Liguori

> Daniel
>