jiti-meet/doc/debian/jitsi-meet/jitsi-meet.conf

# this is jitsi-meet nginx module configuration
# this forward all http traffic to the nginx virtual host port
# and the rest to the turn server

stream {
    upstream web {
        server 127.0.0.1:4444;
    }
    upstream turn {
        server 127.0.0.1:5349;
    }
    # since 1.13.10
    map $ssl_preread_alpn_protocols $upstream {
        ~\bh2\b         web;
        ~\bhttp/1\.     web;
        default         turn;
    }

    server {
        listen 443;
        listen [::]:443;

        # since 1.11.5
        ssl_preread on;
        proxy_pass $upstream;

        # Increase buffer to serve video
        proxy_buffer_size 10m;
    }
}