Connectivity Problem with Terraria - listening port 7777 isnt listening

System Information

Field Value
Operating System Linux - Ubuntu 24.04.2 on x86_64
Product AMP ‘Phobos’ v2.6.2.0 (Mainline)
Virtualization None
Application Terraria
Module GenericModule
Running in Container No
Current State Ready

Problem Description

Issue

listening port 7777 isnt listening meaning no one can join the server.

Reproduction Steps

  • start server
  • run for around 45 minutes
  • listening port shuts