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Turn Server

• Installing Coturn

  Source: Gabriel Tanner

  sudo apt-get update -y
  sudo apt-get install coturn
  sudo nano /etc/default/coturn

  uncomment

  TURNSERVER_ENABLED=1

  systemctl start coturn

• Configuring

  mv /etc/turnserver.conf /etc/turnserver.conf.backup
  nano /etc/turnserver.conf

  fill with:

  # TURN server name and realm
  realm=DOMAIN
  server-name=turnserver
  
  # Use fingerprint in TURN message
  fingerprint
  
  # IPs the TURN server listens to
  listening-ip=0.0.0.0
  
  # External IP-Address of the TURN server
  external-ip=IP_ADDRESS
  
  # Main listening port
  listening-port=3478
  
  # Further ports that are open for communication
  min-port=10000
  max-port=20000
  
  # Log file path
  log-file=/var/log/turnserver.log
  
  # Enable verbose logging
  verbose
  
  # Specify the user for the TURN authentification
  user=test:test123
  
  # Enable long-term credential mechanism
  lt-cred-mech

  sudo service coturn restart

• Testing

  using Trickle ICEfor testing
  adding information to the "STUN or TURN URI" textbox

  turn:TURN_IP:TURN_PORT

  add the username and passwort from the config file
  add the server
  click "Gather candidates"