# Page Not Found

The URL `en/the-protocol.html` does not exist.

You might be looking for one of these pages:
- [Protocol features](https://http3-explained.haxx.se/en/the-protocol.md)
- [Características del protocolo](https://http3-explained.haxx.se/es/the-protocol.md)
- [Eigenschaften des Protokolls](https://http3-explained.haxx.se/de/the-protocol.md)
- [ویژگی‌های پروتکل](https://http3-explained.haxx.se/fa/the-protocol.md)
- [Caractéristiques du protocole](https://http3-explained.haxx.se/fr/the-protocol.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://http3-explained.haxx.se/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://http3-explained.haxx.se/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/en/the-protocol.md`)
- Use `Accept: text/markdown` header for content negotiation