Can somebody help me?
 I did a minimal install on centos9 release ZED then I installed ZUN 
following this instruction https://docs.openstack.org/zun/latest/

but now after creating the container, 
I cannot get to the console from horisontd, what could be the problem?

my settings in zun.conf

[websocket_proxy]

wsproxy_host = 0.0.0.0

wsproxy_port = 6784

base_url = ws://controller:6784/

attached screenshot

there is an inscription

"denied connection to heliuszed site"

heliuszed is my hostname