I’m trying to host ICARUS from Amp. The instance is created an running. I’m able to discover the server via lan wen connected to the same network, however, when connect to an external network (using my phone’s hotspot) i’m un able to discover the server. I’m using opnsense as my router and firewall. I suspect I have something configured wrong for port forwarding but could use some guidance.
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
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
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!
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