docker logs matrix-synapse-coturn
0: (1): WARNING: Bad configuration format: no-stun-backward-compatibility
0: (1): INFO: System cpu num is 16
0: (1): INFO: System enable num is 16
0: (1): WARNING: Bad configuration format: no-stun-backward-compatibility
0: (1): WARNING: Bad configuration format: no-stun-backward-compatibility
0: (1): INFO: Coturn Version Coturn-4.7.0 'Gorst'
0: (1): INFO: Max number of open files/sockets allowed for this process: 1048576
0: (1): INFO: Due to the open files/sockets limitation, max supported number of TURN Sessions possible is: 524000 (approximately)
0: (1): INFO:

==== Show him the instruments, Practical Frost: ====

0: (1): INFO: OpenSSL compile-time version: OpenSSL 3.0.16 11 Feb 2025 (0x30000100)
0: (1): INFO: TLS 1.2 supported
0: (1): INFO: TLS 1.3 supported
0: (1): INFO: DTLS 1.2 supported
0: (1): INFO: TURN/STUN ALPN supported
0: (1): INFO: Third-party authorization (oAuth) supported
0: (1): INFO: GCM (AEAD) supported
0: (1): INFO: SQLite supported, default database location is /var/lib/coturn/turndb
0: (1): INFO: Redis supported
0: (1): INFO: PostgreSQL supported
0: (1): INFO: MySQL supported
0: (1): INFO: MongoDB supported
0: (1): INFO: Default Net Engine version: 3 (UDP thread per CPU core)
0: (1): INFO: Domain name:
0: (1): INFO: Default realm: gektor.online
0: (1): WARNING: cannot find private key file: /certs/synapse.gektor.online/privkey.pem (1)
0: (1): WARNING: cannot start TLS and DTLS listeners because private key file is not set properly
0: (1): INFO: Certificate file found: /certs/synapse.gektor.online/fullchain.pem
0: (1): INFO: Private key file found: /certs/synapse.gektor.online/privkey.pem
0: (1): WARNING: NO EXPLICIT LISTENER ADDRESS(ES) ARE CONFIGURED
0: (1): INFO: ===========Discovering listener addresses: =========
0: (1): INFO: Listener address to use: 127.0.0.1
0: (1): INFO: Listener address to use: 172.18.0.4
0: (1): INFO: Listener address to use: ::1
0: (1): INFO: ================================================== ===
0: (1): INFO: Total: 1 'real' addresses discovered
0: (1): INFO: ================================================== ===
0: (1): WARNING: NO EXPLICIT RELAY ADDRESS(ES) ARE CONFIGURED
0: (1): INFO: ===========Discovering relay addresses: =============
0: (1): INFO: Relay address to use: 172.18.0.4
0: (1): INFO: Relay address to use: ::1
0: (1): INFO: ================================================== ===
0: (1): INFO: Total: 2 relay addresses discovered
0: (1): INFO: ================================================== ===
0: (1): WARNING: Cannot create pid file: /var/run/turnserver.pid
0: (1): INFO: pid file created: /var/tmp/turnserver.pid
0: (1): INFO: IO method: epoll (with changelist)
0: (1): INFO: RFC5780 disabled! /NAT behavior discovery/
0: (1): INFO: Wait for relay ports initialization...
0: (1): INFO: relay 172.18.0.4 initialization...
0: (1): INFO: relay 172.18.0.4 initialization done
0: (1): INFO: relay ::1 initialization...
0: (1): INFO: relay ::1 initialization done
0: (1): INFO: Relay ports initialization done
0: (10): DEBUG: turn server id=0 created
0: (11): DEBUG: turn server id=1 created
0: (12): DEBUG: turn server id=2 created
0: (10): INFO: IPv4. TCP listener opened on : 127.0.0.1:3478
0: (11): INFO: IPv4. TCP listener opened on : 127.0.0.1:3478
0: (12): INFO: IPv4. TCP listener opened on : 127.0.0.1:3478
0: (14): DEBUG: turn server id=4 created
0: (10): INFO: IPv4. TCP listener opened on : 172.18.0.4:3478
0: (11): INFO: IPv4. TCP listener opened on : 172.18.0.4:3478
0: (16): DEBUG: turn server id=6 created
0: (14): INFO: IPv4. TCP listener opened on : 127.0.0.1:3478
0: (15): DEBUG: turn server id=5 created
0: (13): DEBUG: turn server id=3 created
0: (11): INFO: IPv6. TCP listener opened on : ::1:3478
0: (12): INFO: IPv4. TCP listener opened on : 172.18.0.4:3478
0: (10): INFO: IPv6. TCP listener opened on : ::1:3478
0: (19): DEBUG: turn server id=9 created
0: (17): DEBUG: turn server id=7 created
0: (16): INFO: IPv4. TCP listener opened on : 127.0.0.1:3478
0: (19): INFO: IPv4. TCP listener opened on : 127.0.0.1:3478

docker ps | grep coturn
b2d1e6782a54 coturn/coturn:4 "docker-entrypoint.s…" 2 hours ago Up 2 hours 3478/tcp, 3478/udp, 0.0.0.0:5349->5349/tcp, 0.0.0.0:5349->5349/udp, [::]:5349->5349/tcp, [::]:5349->5349/udp matrix-synapse-coturn