How to protect your miners from DDOS attack

Transparency Note This article was generated with the assistance of AI and carefully reviewed, edited, and validated by the author. Running a miner in the Bittensor ecosystem is exciting — you’re literally participating in a global, decentralized intelligence market. But there’s a harsh reality that many subnet operators are now facing: 👉 Your Axon endpoint is exposed to the entire internet. 👉 And yes — it will get attacked. In this post, I’ll show you a simple, practical, and effective way to protect your miner using ufw (Uncomplicated Firewall). No complex infrastructure. No expensive services. Just a clean idea: Only allow validators. Block everyone else. ⚠️ The Problem If you’re running a miner, your Axon is public. That means: Anyone can send requests to your port Bots can spam your endpoint Attackers can flood your node (DDoS) And recently, this has been happening across multiple subnets. The key insight is: ❌ You don’t need the whole internet ✅ You only need validators 💡 The Sol