centos7上coturn服务启动后无法访问的故障处理 - 编程导航

提问背景

我正在开发webrtc的视频通话功能，建立P2P的连接需要搭建stun/turn服务器，于是我在阿里云centos7服务器上利用coturn在3478端口启动了该服务，但是在测试时发现服务不可用。

微信图片_20251115231728_177_1.png

尝试解决

一开始，我以为是端口未开放的问题，于是我在安全组设置了入方向和出方向的端口对全部流量进行全部开放，并且关闭了防火墙的限制，但是依然没有用。

详细信息

启动命令

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/usr/local/turnserver/bin/turnserver -v -r 47.94.53.126 -a -o -c /usr/local/turnserver/share/examples/turnserver/etc/turnserver.conf

具体配置

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listening-port=3478
listening-ip=172.18.61.183
tls-listening-port=5349 # TLS 加密端口
cert=/ssl/cert.pem
pkey=/ssl/cert.key
external-ip=47.94.53.126
user=user:654321
realm=47.94.53.126

lt-cred-mech
relay-ip=0.0.0.0
# 至于为什么配置relay-ip=0.0.0.0 ？？
# 因为我尝试填写了内网ip或外网IP，但都无效

min-port=49152
max-port=65535


verbose
log-file=/var/log/turnserver.log

部分日志

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696: session 001000000000000010: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
696: session 001000000000000011: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
706: session 001000000000000010: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
706: session 001000000000000011: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
716: session 001000000000000010: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
716: session 001000000000000011: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
726: session 001000000000000010: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
726: session 001000000000000011: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
736: session 001000000000000010: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
736: session 001000000000000011: realm <47.94.53.126> user <user>: incoming packet BINDING processed, success
743: session 001000000000000010: refreshed, realm=<47.94.53.126>, username=<user>, lifetime=0
743: session 001000000000000010: realm <47.94.53.126> user <user>: incoming packet REFRESH processed, success
743: session 001000000000000011: refreshed, realm=<47.94.53.126>, username=<user>, lifetime=0
743: session 001000000000000011: realm <47.94.53.126> user <user>: incoming packet REFRESH processed, success
744: session 001000000000000010: usage: realm=<47.94.53.126>, username=<user>, rp=22, rb=1160, sp=22, sb=1888
744: session 001000000000000010: closed (2nd stage), user <user> realm <47.94.53.126> origin <>, local 172.18.61.183:3478, remote 36.112.200.70:30675, reason: allocation timeout
744: session 001000000000000010: delete: realm=<47.94.53.126>, username=<user>
744: session 001000000000000010: peer 172.17.0.1 deleted
744: session 001000000000000010: peer 36.112.200.70 deleted
744: session 001000000000000010: peer 10.24.68.63 deleted
744: session 001000000000000010: peer 47.94.53.126 deleted
744: session 001000000000000011: usage: realm=<47.94.53.126>, username=<user>, rp=22, rb=1160, sp=22, sb=1888
744: session 001000000000000011: closed (2nd stage), user <user> realm <47.94.53.126> origin <>, local 172.18.61.183:3478, remote 36.112.200.70:30676, reason: allocation timeout
744: session 001000000000000011: delete: realm=<47.94.53.126>, username=<user>
744: session 001000000000000011: peer 172.17.0.1 deleted
744: session 001000000000000011: peer 36.112.200.70 deleted
744: session 001000000000000011: peer 10.24.68.63 deleted
744: session 001000000000000011: peer 47.94.53.126 deleted

使用lsof命令查看端口信息

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[root@iZ2zeh5hzhg0kgjwdxkm9cZ ~]# lsof -i :3478
COMMAND     PID USER   FD   TYPE   DEVICE SIZE/OFF NODE NAME
turnserve 27441 root   17u  IPv4 25694475      0t0  TCP iZ2zeh5hzhg0kgjwdxkm9cZ:stun (LISTEN)
turnserve 27441 root   20u  IPv4 25693882      0t0  TCP iZ2zeh5hzhg0kgjwdxkm9cZ:stun (LISTEN)
turnserve 27441 root   22u  IPv4 25693885      0t0  UDP iZ2zeh5hzhg0kgjwdxkm9cZ:stun 
turnserve 27441 root   23u  IPv4 25693886      0t0  UDP iZ2zeh5hzhg0kgjwdxkm9cZ:stun