Introduction

This article recounts a real-world experience of diagnosing and solving mysterious Wi-Fi connectivity issues caused by deauthentication attacks. We'll explore the investigative process, tools used, and lessons learned.

1. The Mystery Begins

• Initial symptoms: Intermittent Wi-Fi disconnections
• Affected area: A specific corner of the office
• Initial troubleshooting steps and their results

2. Building a Wi-Fi Detective Kit

• Setting up a Raspberry Pi for packet capture
• Choosing the right Wi-Fi adapter for monitoring
• Installing and configuring necessary software tools

3. The Investigation Unfolds

• Deploying the Raspberry Pi in the affected area
• Analyzing captured packets: Identifying deauth frames
• Correlating deauth events with connectivity issues

4. Pinpointing the Source

• Using a directional antenna to locate the signal source
• The surprising discovery: GitHub's neighboring office
• Understanding containment mode and its unintended consequences

5. Resolution and Lessons Learned

• Collaborating with GitHub to resolve the issue
• Best practices for configuring Wi-Fi security features
• The importance of communication in shared office spaces

Conclusion

This real-world case study demonstrates the complexity of Wi-Fi issues and the importance of thorough investigation. By using the right tools and methodical approach, even the most mysterious connectivity problems can be solved.