Configuration with Call of Duty: Black Ops II - Plutonium BO2 server not working externally

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Phobos’ v2.6.2.0 (Mainline)
Virtualization Docker
Application Call of Duty: Black Ops II
Module GenericModule
Running in Container Yes
Current State Ready

Problem Description

Issue

Plutonium Server works in local network, but when I try to connect via external IP or with my own domain, doesn’t work…

Reproduction Steps

    1. I did NAT port forwarding and open upnp
    1. I scanned the open ports with netstat and is ESTABLISHED not LISTENING
    1. I tried to enter with my local IP and works, but not with external IP (I don´t have CG-NAT)