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Course Outline
Decentralized Communication Sovereignty
- Why centralized chat poses a risk to data governance.
- Overview of the Matrix protocol: rooms, events, and federation.
- Comparison of Synapse vs. Dendrite homeserver options.
Homeserver Deployment
- Setting up a Docker Compose stack with Synapse, PostgreSQL, and Element Web.
- Configuring reverse proxies using Nginx and LetsEncrypt.
- Federation configuration: .well-known delegation and port 8448.
Authentication and Identity
- Local authentication, LDAP integration, and OpenID Connect.
- User registration policies and guest access control.
- SSO implementation with Keycloak, Authentik, or Authelia.
End-to-End Encryption
- Cross-signing and device verification workflows.
- Key backup and recovery processes for lost devices.
- Administrative implications of encrypted rooms and export rules.
Spaces, Rooms, and Bridges
- Structuring enterprise spaces for departments and projects.
- Using IRC, Slack, and Telegram bridges for inter-team communication.
- Leveraging threading, reactions, and bots for automation.
Security and Moderation
- Admin API usage for user management, room shutdown, and data deletion.
- Privacy settings: message retention, redaction, and media purging.
- Rate limiting and CAPTCHA to mitigate spam registration.
Maintenance and Scaling
- Postgres maintenance: vacuuming, indexing, and long-term retention.
- Media repository sizing and S3 offloading.
- Monitoring with Prometheus and defining logging retention policies.
Requirements
- Intermediate Linux system administration skills and basic Docker knowledge.
- Understanding of federated messaging protocols and HTTPS.
- Familiarity with web proxy configuration (Nginx/Apache).
Audience
- Enterprise IT teams seeking to replace Slack, Teams, or Discord with sovereign messaging solutions.
- Regulated industries, including healthcare, finance, and defense.
- Proponents of decentralization and privacy-focused organizations.
14 Hours
