WebRTC does not work when container in TCP mode

[huntson]

Which version are you using?

v1.2.1

Which operating system are you using?

• Linux amd64 standard
• [x ] Linux amd64 Docker
• Linux arm64 standard
• Linux arm64 Docker
• Linux arm7 standard
• Linux arm7 Docker
• Linux arm6 standard
• Linux arm6 Docker
• Windows amd64 standard
• Windows amd64 Docker (WSL backend)
• macOS amd64 standard
• macOS amd64 Docker
• Other (please describe)

Describe the issue

I am using a lot of the default config settings other than passing the argument to run the entire thing in TCP mode via compose. Inside the YAML I have also setup a RTSP stream to pull. I can use VLC to play back that stream however when the container is in TCP mode, I constantly get the following when attempting WebRTC sessions:

2023/11/02 01:09:17 INF [WebRTC] [session bb07928b] created by 10.96.50.17:21971

2023/11/02 01:09:27 INF [WebRTC] [session bb07928b] closed: deadline exceeded while waiting connection

Describe how to replicate the issue

1. start the server in TCP mode:

`version: '3.3'
services:
    mediamtx:
        stdin_open: true
        tty: true
        environment:
            - MTX_PROTOCOLS=tcp
        ports:
            - '8554:8554'
            - '1935:1935'
            - '8888:8888'
            - '8889:8889'
            - '8890:8890/udp'
        volumes:
            - '/var/lib/docker/volumes/mediamtx/mediamtx.yml:/mediamtx.yml'
        restart: always

        image: bluenviron/mediamtx`

3. publish with rtsp
4. read with Webrtc

Did you attach the server logs?

yes

Did you attach a network dump?

no

[aler9]

instructions on how to user WebRTC without --network=host are in the README:
https://github.com/bluenviron/mediamtx#connectivity-issues

[github-actions]

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