Secure Nginx RTMP Server Setup

I'm looking for an experienced professional to set up an Nginx RTMP server for me. The server needs to support HLS live streaming and protect against DDoS attacks and stream theft. The content will be both video and audio.

Key requirements:
- Implement user authentication for all streams
- Enhance current DDoS protection beyond basic firewall

Ideal skills for this job:
- Extensive experience with Nginx RTMP server
- Knowledge of HLS live streaming
- Familiarity with DDoS protection measures
- Experience with user authentication implementation