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1) Configure your turnserver

	You may use /usr/share/coturn/setup.sh to do all at once. Otherwise

	a) Create and edit /etc/turnserver.conf
	Use /etc/turnserver.conf.default as an example.

	b) For user accounts settings: set up SQLite database.
	Use e.g. sqlite3 /data/coturn/db </usr/share/coturn/schema.sql
	Make sure /etc/turnserver.conf contains the right userdb=db-file setting.

	c) systemctl stop coturn; systemctl daemon-reload; systemctl restart coturn

2) To start the turnserver automatically on reboot, run:
	systemctl enable coturn
 
3) For additional information, run:
 
	$ man turnserver
	$ man turnadmin
	$ man turnutils
	
4) To test ACME redirects you may replace stun.example.com with the address
   of your stun/turn server in the following command:

	printf 'GET /.well-known/acme-challenge/0zXRO6tN1ijjwJD9QbDLldLwg-XrYoqz1QRSV6zfLSs HTTP/1.1\r\nHost: stun.example.com\r\nUser-Agent: Mozilla/5.0 (compatible; Let'"'"'s Encrypt validation server; https://www.letsencrypt.org)\r\nAccept: */*\r\nAccept-Encoding: gzip\r\n\r\n' | netcat stun.example.com 80

   If it works, you'll get an answer (HTTP redirect) back.

5) Metrics:
   In case you have metrics enabled via '--prom', you may
   check whether it is working using the following command:

	curl localhost:9641/metrics

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