WebRTC on domain.

[radimkohout]

Question

Hi,
I am running mediamtx (native arm64 version) and trying to connect to WebRTC behind NAT. When I do it locally, everything works, but when I try it remotly using domain name, it only blinks black. When I try it using public IP address, everything works, except I can't use SSL certificate. How can I get it to work using domain name? I router, I am routing ports 8189 and 8889 both tcp and udp to the device.

webrtcICEHostNAT1To1IPs: [93.x.x.x]
# any port of choice
webrtcICEUDPMuxAddress: :8189
webrtcICETCPMuxAddress: :8189

webrtcICEServers2:
- url: turn:a.relay.metered.ca:80
  username: <ommited>
  password: <ommited>

[aler9]

Hello, MediaMTX 1.3.0 finally supports using domain names inside webrtcICEHostNAT1To1IPs, that has been renamed to webrtcAdditionalHosts. TURN or STUN servers are not necessary anymore, it's enough to have the UDP port open and webrtcAdditionalHosts filled correctly with either an IP, a DNS or both. Instructions are here:

https://github.com/bluenviron/mediamtx#connectivity-issues

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