Jitsi in LAN

Hello i want install jitsi in LAN network, but when i’ve installed i see page “Welcome Nginx” . My Lan’s adress is and i installing server on ( this adress type in window while installing). My other devices in LAN see the page (after typing in browser) : “Welcome to nginx” . What should i do ?

What are the outputs on the Jitsi server?

ls -alh /etc/nginx/sites-enabled/
grep server_name /etc/nginx/sites-enabled/*


i’ve tried with Apache, but the same problem .