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Kevin Veen-Birkenbach
a817d964e4
- Extract common HTTPS + Cloudflare + handler bootstrap into new role sys-stk-front-base - Update sys-stk-front-proxy, web-svc-cdn, web-svc-file, web-svc-html to depend on sys-stk-front-base - Add new sys-stk-semi-stateless role combining front-base + back-stateless - Update web-svc-coturn to use sys-stk-semi-stateless and rewrite README/meta with detailed Coturn description - Unify sys-util-csp-cert README heading Ref: ChatGPT conversation https://chatgpt.com/share/68d6cea2-3570-800f-acb3-c3277317f17b
47 lines
2.1 KiB
Markdown
47 lines
2.1 KiB
Markdown
# Coturn
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This folder contains the role to deploy and manage a [Coturn](https://github.com/coturn/coturn) service.
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## Description
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[Coturn](https://github.com/coturn/coturn) is a free and open-source **TURN (Traversal Using Relays around NAT)** and **STUN (Session Traversal Utilities for NAT)** server.
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It enables real-time communication (RTC) applications such as **WebRTC** to work reliably across NATs and firewalls.
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Without TURN/STUN, video calls, conferencing, and peer-to-peer connections often fail due to NAT traversal issues.
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Coturn solves this by acting as a **relay server** and/or **discovery service** for public IP addresses.
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More background:
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* Wikipedia: [Traversal Using Relays around NAT](https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT)
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* Wikipedia: [Session Traversal Utilities for NAT](https://en.wikipedia.org/wiki/STUN)
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* Official Coturn Docs: [https://github.com/coturn/coturn/wiki](https://github.com/coturn/coturn/wiki)
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## Overview
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This role deploys Coturn via Docker Compose using the `sys-stk-semi-stateless` stack.
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It automatically configures:
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- TURN and STUN listening ports
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- Relay port ranges
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- TLS certificates (via Let’s Encrypt integration)
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- Long-term credentials and/or REST API secrets
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Typical use cases:
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- Nextcloud Talk
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- Jitsi
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- BigBlueButton
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- Any WebRTC-based application
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## Features
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* Stateless container deployment (no database or persistent volume required)
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* Automatic TLS handling via `sys-stk-front-base`
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* TURN and STUN support over TCP and UDP
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* Configurable relay port ranges for scaling
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* Integration into Infinito.Nexus inventory/variable system
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## Further Resources
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* Coturn Project — [https://github.com/coturn/coturn](https://github.com/coturn/coturn)
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* Coturn Wiki — [https://github.com/coturn/coturn/wiki](https://github.com/coturn/coturn/wiki)
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* TURN on Wikipedia — [https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT](https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT)
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* STUN on Wikipedia — [https://en.wikipedia.org/wiki/STUN](https://en.wikipedia.org/wiki/STUN)
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