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Duration 14 hours
Course Outline
Messaging Sovereignty and Federation
- How Slack and Teams can lead to data silos and exposure to foreign jurisdictions.
- Matrix protocol architecture: examining homeservers, rooms, events, and federation.
- Synapse as the reference server: analyzing features and resource consumption.
- Comparative analysis with Mattermost, Rocket.Chat, and Zulip.
Deploying Synapse
- Setting up a Docker Compose stack including synapse, postgres, and element-web.
- Installing via native packages and configuring systemd services.
- Implementing a reverse proxy using Nginx and TLS.
- Generating initial configurations and managing database migrations.
Configuring Clients
- Deploying Element Web and applying custom branding.
- Configuring desktop and mobile apps with a custom homeserver URL.
- Managing user registration, login, and password reset processes.
- Defining guest access and room discovery policies.
Encryption and Security
- Implementing end-to-end encryption using Olm and Megolm.
- Performing device verification and cross-signing.
- Managing key backup and recovery via passphrases.
- Understanding admin access limitations to encrypted content and mitigation strategies.
Bridges and Integrations
- Connecting Slack, Discord, IRC, and WhatsApp through bridges.
- Setting up email notifications and GitHub/GitLab webhooks.
- Integrating Jitsi for encrypted video conferencing.
- Developing custom bots using the matrix-nio SDK.
Federation and Governance
- Managing federation whitelist and blacklist policies.
- Handling room version upgrades and state resolution.
- Configuring media repository limits and data retention.
- Utilizing antispam and abuse reporting tools.
Maintenance and Scaling
- Optimizing the database and using purge APIs for old data.
- Cleaning up media storage and offloading to S3.
- Utilizing worker mode for high-traffic deployments.
- Establishing backup and disaster recovery procedures for homeserver state.
Requirements
- Intermediate proficiency in Linux and Docker administration.
- A solid understanding of instant messaging protocols and federation mechanisms.
- Familiarity with PostgreSQL and Python application deployment.
Target Audience
- IT teams seeking to replace Slack, Teams, or Discord with a sovereign alternative.
- Organizations that require on-premise messaging solutions with end-to-end encryption.
- Government and defense teams needing federated, auditable chat capabilities.
