Public bug reported:

Since a recent update, it is impossible to connect to my Ubuntu box
using VNC from a Windows machine unless I disable encryption on the vino
server.

I tested up-to-date tightVNC client and TigerVNC client on the Windows
machine, with the same result. As soon I try to connect, I receive the
following error:

[ 5872/ 6448] 2014-01-20 12:11:18:247   List of security type is read
[ 5872/ 6448] 2014-01-20 12:11:18:247 : Security Types received (1): Unknown 
type (18)
[ 5872/ 6448] 2014-01-20 12:11:18:247   Selecting auth-handler
[ 5872/ 6448] 2014-01-20 12:11:18:247 + RemoteViewerCore. Exception: No 
security types supported. Server sent security types, but we do not support any 
of their.

So it seems that the update changed the security type of vino to a new
one. I searched for a way to go back to the old one (until the clients
catches up) with no avail.

A solution is disabling the encryption completely, by

gsettings set org.gnome.Vino require-encryption false

...but this is subotpimal. Is there a way to switch the encryption back
to the old one?

** Affects: vino
     Importance: Unknown
         Status: Unknown

** Affects: vino (Ubuntu)
     Importance: Undecided
         Status: New

** Summary changed:

- VNC accessible for WIndows machine only with encryption disabled
+ VNC accessible for Windows machines only with encryption disabled

** Bug watch added: Red Hat Bugzilla #981984
   https://bugzilla.redhat.com/show_bug.cgi?id=981984

** Also affects: vino via
   https://bugzilla.redhat.com/show_bug.cgi?id=981984
   Importance: Unknown
       Status: Unknown

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to vino in Ubuntu.
https://bugs.launchpad.net/bugs/1281250

Title:
  VNC accessible for Windows machines only with encryption disabled

Status in GNOME Remote Desktop:
  Unknown
Status in “vino” package in Ubuntu:
  New

Bug description:
  Since a recent update, it is impossible to connect to my Ubuntu box
  using VNC from a Windows machine unless I disable encryption on the
  vino server.

  I tested up-to-date tightVNC client and TigerVNC client on the Windows
  machine, with the same result. As soon I try to connect, I receive the
  following error:

  [ 5872/ 6448] 2014-01-20 12:11:18:247   List of security type is read
  [ 5872/ 6448] 2014-01-20 12:11:18:247 : Security Types received (1): Unknown 
type (18)
  [ 5872/ 6448] 2014-01-20 12:11:18:247   Selecting auth-handler
  [ 5872/ 6448] 2014-01-20 12:11:18:247 + RemoteViewerCore. Exception: No 
security types supported. Server sent security types, but we do not support any 
of their.

  So it seems that the update changed the security type of vino to a new
  one. I searched for a way to go back to the old one (until the clients
  catches up) with no avail.

  A solution is disabling the encryption completely, by

  gsettings set org.gnome.Vino require-encryption false

  ...but this is subotpimal. Is there a way to switch the encryption
  back to the old one?

To manage notifications about this bug go to:
https://bugs.launchpad.net/vino/+bug/1281250/+subscriptions

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