This is my coturn config. listening-port=3478
verbose fingerprint user=kurento:kurento simple-log log-file=/var/log/turn.log min-port=49152 max-port=55000 I started a docker container with docker run -d --network=host \ -v $(pwd)/my.conf:/etc/coturn/turnserver.conf \ instrumentisto/coturn No picture in OM. Von: Maxim Solodovnik <solomax...@gmail.com> Gesendet: Dienstag, 31. März 2020 18:37 An: Openmeetings user-list <user@openmeetings.apache.org> Betreff: Re: Openmeetings Docker Image / Kurento / Turn / NAT So you added missing params to coturn config restarted it And there is no picture in OM? On Tue, 31 Mar 2020 at 23:33, Arndt, Wolfgang <ar...@lernenfoerdern.de> wrote: No changes. It is not working! Test on https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice/is working I get 8 candidates the last 4 are my home external ip and my office external ip. with 2 udp ports -- WBR Maxim aka solomax