### BBB
server {
    listen       443 ssl http2;
    server_name  localhost;

    ssl_certificate /etc/nginx/ssl/guacamole_ssl.cert;
    ssl_certificate_key /etc/nginx/ssl/guacamole_ssl.key;

        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers on;
        ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH";
        ssl_ecdh_curve secp384r1;
        ssl_session_cache shared:SSL:10m;
        ssl_session_tickets off;
        ssl_stapling off;
        ssl_stapling_verify off;

    location / {
    proxy_pass http://guacamole:8080/guacamole/;
    proxy_buffering off;
    proxy_http_version 1.1;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $http_connection;
    proxy_cookie_path /guacamole/ /;
    access_log off;
    # allow large uploads (default=1m)
    # 4096m = 4GByte
    client_max_body_size 4096m;
}

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

}