super@***:# bbb-conf --check BigBlueButton Server 2.2.0-beta (727) Kernel version: 4.18.16-x86_64-linode118 Distribution: Ubuntu 16.04.6 LTS (64-bit) Memory: 16409 MB /usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties (bbb-web) bigbluebutton.web.serverURL: https://xxxxxxxxx.com defaultGuestPolicy: ALWAYS_ACCEPT /etc/nginx/sites-available/bigbluebutton (nginx) server name: xxxxxxxxx.com port: 80, [::]:80 bbb-client dir: /var/www/bigbluebutton /var/www/bigbluebutton/client/conf/config.xml (bbb-client) Port test (tunnel): rtmp://xxxxxxxxx.com red5: xxxxxxxxx.com useWebrtcIfAvailable: true /opt/freeswitch/etc/freeswitch/vars.xml (FreeSWITCH) local_ip_v4: xxx.xx.xxx.xxx external_rtp_ip: stun:stun.freeswitch.org external_sip_ip: stun:stun.freeswitch.org /opt/freeswitch/etc/freeswitch/sip_profiles/external.xml (FreeSWITCH) ext-rtp-ip: $${local_ip_v4} ext-sip-ip: $${local_ip_v4} ws-binding: xxx.xx.xxx.xxx:5066 wss-binding: xxx.xx.xxx.xxx:7443 /var/www/bigbluebutton/check/conf/config.xml (client check) client check: xxxxxxxxx.com /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml (record and playback) playback_host: xxxxxxxxx.com playback_protocol: http ffmpeg: 4.1.1-0york1~16.04 /etc/bigbluebutton/nginx/sip.nginx (sip.nginx) proxy_pass: http://xxx.xx.xxx.xxx:5066 /usr/local/bigbluebutton/bbb-webrtc-sfu/config/default.yml (Kurento SFU) kurento.ip: xxx.xx.xxx.xxx kurento.url: ws://xxxxxxxxx.com:8888/kurento localIpAddress: xxx.xx.xxx.xxx recordScreenSharing: true recordWebcams: true codec_video_main: H264 codec_video_content: H264 /usr/share/meteor/bundle/programs/server/assets/app/config/settings.yml (HTML5 client) build: 296 kurentoUrl: wss://xxxxxxxxx.com/bbb-webrtc-sfu enableListenOnly: true ** Potential problems described below ** # Warning: The API demos are installed and accessible from: # # https://xxxxxxxxx.com/demo/demo1.jsp # # These API demos allow anyone to access your server without authentication # to create/manage meetings and recordings. They are for testing purposes only. # If you are running a production system, remove them by running: # # apt-get purge bbb-demo # Warning: The client self check is installed and accessible from: # # https://xxxxxxxxx.com/check # # Error: Unable to reach default URL for presentation: # # https://xxxxxxxxx.com/default.pdf # # Check value for beans.presentationService.defaultUploadedPresentation in # /usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties