in our scenario we have two users groups with different rights which connects through VNC to workstations:
tigerVNC allow only one configuration per VNC-server.
since 2011 we use "dirty" patch (http://bbgentoo.ilb.ru/repos/bbgentoo/bbgentoo_overlay/trunk/net-misc/tigervnc/files/disable_outgoing_connection_authentication.patch), which enables SecurityTypes without password ("*None") on reverse connection.
it would be better to have separate settings for SecurityTypes, for example xorg.conf:
Option "SecurityTypes" "VeNCrypt,TLSPlain"
Option "SecurityTypesReverse" "VeNCrypt,TLSNone"
if SecurityTypesReverse not specified it is same as SecurityTypes.
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