cant host

Tyler Ziolkowski

• February 21, 2023 22:08
• Report a Concern

every time i try to host one of my worlds an error code pops up saying P2P/SIG: no_session(3)

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• 

  Dominick Support

  • February 21, 2023 23:37

  

  For P2P errors you will need to reach out to someone that can make changes to the network. 

  1. Make sure that //*.minecraft-services.net/ has been allow listed through firewall and content filters.
     1. These URLs as well (all of them) URLs Used by Minecraft Education

  • The signaling connections use wss://signal.franchise.minecraft-services.net. (wss://signal.franchise.minecraft-services.net/)
  • The STUN and TURN connections use turn.azure.com / world.relay.skype.com on the 20.202.0.0 / 16 IP range using remote TCP port 443 and remote UDP ports 3478-3481
  • The peer-to-peer connections between host and joining client use local ephemeral UDP ports specified by the host client (the local port range is defined by the OS) and sent to the joining client via the signaling service.
  • Our system now uses ephemeral ports. They will need to be unblocked. 

  1. Try toggling cellular data setting to on with tablets, Chromebooks, android phones and iOS phones.
     1. It's a setting under Profile on all devices.

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