STUN NAT Type Detection Script

This Python script uses the pystun3 library to determine your NAT type by querying a public STUN server. This is useful for troubleshooting network issues related to NAT (Network Address Translation), especially for applications like VoIP, gaming, and peer-to-peer communication.

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Prerequisites

• Windows 11 (or any OS with Python 3.11 installed)
• Python 3.11 installed from python.org
  • The script has compatibility issues with Python 3.13+ due to how the stun package is implemented.
• pystun3 Python package installed for Python 3.11

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Installation Steps

1. Install Python 3.11

Download and install Python 3.11 from the official source:

• https://www.python.org/downloads/release/python-3110/

Make sure to:

• Add Python to your system PATH during installation
• Or use the Python launcher py to specify Python version explicitly

2. Install the pystun3 package

Open a new PowerShell or Command Prompt and run:

py -3.11 -m pip install pystun3