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Transport protocol not being obeyed #367

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swagggpickle opened this issue May 4, 2021 · 0 comments
Open

Transport protocol not being obeyed #367

swagggpickle opened this issue May 4, 2021 · 0 comments
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bug Something isn't working

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@swagggpickle
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Your environment.

  • Version: 2.1.7
  • Browser: Chrome Version 89.0.4389.114 (Official Build) (64-bit)
  • Coturn: debian/4.5.2-3
  • Firewall: UDP not allowed

What did you do?

Using the latest version of coturn implementation with the no-udp flag specified and a strict firewall preventing UDP traffic one would observe that the ice candidate gathering takes 5 seconds. After some investigation I found that the transport=tcp flag was not being obeyed within the gatherCandidatesSrflx function.

What did you expect?

When transport=tcp is specified only TCP connections are established to the stun/turn server.

What happened?

When transport=tcp is specified there is an attempt to connect to the stun/turn server using UDP and in my particular case caused ICE gathering to take 5 seconds to complete.

Potential solution

#366
@swagggpickle swagggpickle mentioned this issue May 4, 2021
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@stv0g stv0g changed the title Issue: Transport protocol not being obeyed Transport protocol not being obeyed Jan 12, 2023
@stv0g stv0g added the bug Something isn't working label Apr 12, 2023
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@stv0g @swagggpickle