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Course Outline
Federated Messaging Sovereignty
- Understanding why Slack and Teams create data silos and expose organisations to foreign jurisdiction.
- Matrix protocol architecture: homeservers, rooms, events, and federation.
- Synapse as the reference server: features and resource requirements.
- Comparison with Mattermost, Rocket.Chat, and Zulip.
Synapse Deployment
- Docker Compose stack setup: synapse, postgres, and element-web.
- Native package installation and systemd service configuration.
- Reverse proxy configuration using Nginx and TLS.
- Initial configuration generation and database migration.
Client Configuration
- Element Web deployment and custom branding.
- Configuring desktop and mobile apps with a custom homeserver URL.
- User registration, login procedures, and password resets.
- Policies for guest access and room discovery.
Encryption and Security
- End-to-end encryption using Olm and Megolm protocols.
- Device verification and cross-signing mechanisms.
- Key backup and recovery using passphrases.
- Understanding limitations and mitigations for admin access to encrypted content.
Bridges and Integrations
- Setting up bridges for Slack, Discord, IRC, and WhatsApp.
- Email notifications and GitHub/GitLab webhook integration.
- Jitsi integration for encrypted video conferencing.
- Developing custom bots using the matrix-nio SDK.
Federation and Governance
- Federation whitelist and blacklist policies.
- Room version upgrades and state resolution.
- Media repository limits and retention policies.
- Antispam measures and abuse reporting tools.
Maintenance and Scaling
- Database optimization and using purge APIs to remove old data.
- Media storage cleanup and offloading to S3.
- Utilising worker mode for high-traffic deployments.
- Backup and disaster recovery strategies for homeserver state.
Requirements
- Intermediate knowledge of Linux and Docker administration.
- Understanding of instant messaging protocols and federation.
- Familiarity with PostgreSQL and Python application deployment.
Audience
- IT teams seeking to replace Slack, Teams, or Discord with a sovereign alternative.
- Organisations requiring on-premise messaging with end-to-end encryption.
- Government and defence units needing federated, auditable chat solutions.
14 Hours
