How to install jitsi on a special domain name on debian 11 and not on hostname

Hi,

I begin to install jitsi on a special domain name wich I create my own cerificate with ispconfig.
then I try this turorial: Server url for the official example in the lib-jitsi-meet?
unfortunatly, I don’t know why it doesn’t work.

tail /var/log/prosody/prosody.log

Nov 30 07:56:43 conference.meet.laportance.info:muc_domain_mapper info Loading mod_muc_domain_mapper for host focus.meet.laportance.info!
Nov 30 07:56:43 focus.meet.laportance.info:tls info Certificates loaded
Nov 30 07:56:43 c2s55c4fe111cb0 info Client connected
Nov 30 07:56:44 c2s55c4fe111cb0 info Stream encrypted (TLSv1.3 with TLS_AES_256_GCM_SHA384)
Nov 30 07:56:44 c2s55c4fe111cb0 info Authenticated as focus@auth.meet.laportance.info
Nov 30 07:56:44 auth.meet.laportance.info:limits_exception info Setting stanza size limits for focus@auth.meet.laportance.info to 10485760
Nov 30 07:56:44 c2s55c4fe177c50 info Client connected
Nov 30 07:56:44 c2s55c4fe177c50 info Stream encrypted (TLSv1.3 with TLS_AES_256_GCM_SHA384)
Nov 30 07:56:44 c2s55c4fe177c50 info Authenticated as jvb@auth.meet.laportance.info
Nov 30 07:56:44 auth.meet.laportance.info:limits_exception info Setting stanza size limits for jvb@auth.meet.laportance.info to 10485760
root@xzave:/etc/apache2/sites-available# tail /var/log/prosody/prosody.log
Nov 30 07:56:43 conference.meet.laportance.info:muc_domain_mapper info Loading mod_muc_domain_mapper for host focus.meet.laportance.info!
Nov 30 07:56:43 focus.meet.laportance.info:tls info Certificates loaded
Nov 30 07:56:43 c2s55c4fe111cb0 info Client connected
Nov 30 07:56:44 c2s55c4fe111cb0 info Stream encrypted (TLSv1.3 with TLS_AES_256_GCM_SHA384)
Nov 30 07:56:44 c2s55c4fe111cb0 info Authenticated as focus@auth.meet.laportance.info
Nov 30 07:56:44 auth.meet.laportance.info:limits_exception info Setting stanza size limits for focus@auth.meet.laportance.info to 10485760
Nov 30 07:56:44 c2s55c4fe177c50 info Client connected
Nov 30 07:56:44 c2s55c4fe177c50 info Stream encrypted (TLSv1.3 with TLS_AES_256_GCM_SHA384)
Nov 30 07:56:44 c2s55c4fe177c50 info Authenticated as jvb@auth.meet.laportance.info
Nov 30 07:56:44 auth.meet.laportance.info:limits_exception info Setting stanza size limits for jvb@auth.meet.laportance.info to 10485760

What exactly is the problem? These logs look ok.

In fact, I respect this link

but unfortunatly this don’t work for me with ispconfig