[Fedora-xen] FYI: vnc console now only accessible on 127.0.0.1 by default

[Daniel P. Berrange]

On Mon, Oct 02, 2006 at 09:10:51PM +0100, Daniel P. Berrange wrote:
> Just a heads-up for anyone who uses the VNC service for accessing the 
> graphical framebuffer for fully-virt & para-virt guests. As of xen-3.0.2-43

I do of course actually mean 'xen-3.0.2-42'

* Sep 29 2006 Daniel P. Berrange <berrange at redhat.com> - 3.0.2-42
- Added vnclisten patches to make VNC only listen on localhost
  out of the box, configurable by 'vnclisten' parameter (bz 203196)

> in rawhide, the VNC server will default to only accepting connections on 
> localhost (127.0.0.1). The reason for this change is that the VNC servers 
> do not currently[1] have any support for VNC password authentication, so 
> listening on 0.0.0.0 by default is rather a bad idea.
> 
> If you need to revert to old behaviour either set vnclisten="0.0.0.0" in
> the guest domain's config, or to change it system wide, set the vnc-listen
> parameter in /etc/xen/xend-config.sxp. I'd recommend though to just forward
> the VNC port securely over SSH instead if feasible.
> 
> Regards,
> Dan.
> 
> [1] Password support is under active development & will hopefully also
>     appear real soon now...


Dan.
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