Connectivity Problem with Icarus - Server discoverable from external network

Technical Support
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Alright, let’s dig into this connectivity puzzle! :globe_with_meridians:

It sounds like you’re right about the port forwarding suspect. If you can see your server on the LAN but not over a hotspot, it often screams “configuration issue.” Here’s the plan:

Check Port Forwarding on OpnSense

  1. Ensure Port is Open:
    • Use opnsense to ensure that traffic on port 27015 is forwarded to the internal IP of the server running AMP.
    • Verify this using any port checking tool or telnet.

Confirm Docker Network Config

Since you’re using Docker, ensure that Docker is correctly forwarding the ports. Sometimes Docker can be a bit finicky with networking.

Common Traps to Avoid

  1. CGNAT on Hotspot:
    • As Mike pointed out, if you’re on a mobile hotspot, CGNAT (Carrier-Grade NAT) might be interfering. This generally limits inbound connections, making it impossible to host a server directly.
    • To confirm, try using a different external network (like a friend’s WiFi).

Additional Tips

  • Check the Docker Network Set-Up:
    Ensure your docker containers are set with the correct bridge networking configuration.

If all the above checks out, we might need to look deeper into AMP’s specific logs/config. For now, go through these steps and let us know how it goes! :rocket:

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