How to Config Hardening ,Jetty,Prosody, Some parent path

Good Day Jitsi, dev team.

I Install Jettisi-meet follow method.

-https://jitsi.org/downloads/
sudo wget -qO - https://download.jitsi.org/jitsi-key.gpg.key | sudo apt-key add -
sudo sh -c “echo ‘deb https://download.jitsi.org stable/’ > /etc/apt/sources.list.d/jitsi-stable.list”
sudo apt-get -y update
sudo apt-get -y install jitsi-meet

and setup ssl use let’s encrypt success.

Then I want to config Hardening for hide some parent path and Version of Error 404 .
How to config plz help me. thx.

path1 path2