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

[Anthony Liguori <anthony@codemonkey.ws>]

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
>