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Course Outline

Federated Messaging Sovereignty

  • Why Slack and Teams create data silos and expose users to foreign jurisdictions.
  • Matrix protocol architecture: homeservers, rooms, events, and federation.
  • Synapse as the reference server: features and resource profiles.
  • Comparison with Mattermost, Rocket.Chat, and Zulip.

Synapse Deployment

  • Docker Compose stack setup: synapse, postgres, element-web.
  • Native package installation and systemd service configuration.
  • Reverse proxy setup with Nginx and TLS.
  • Initial configuration generation and database migration.

Client Configuration

  • Element Web deployment and custom branding.
  • Configuring custom homeserver URLs for desktop and mobile apps.
  • Managing user registration, login, and password reset procedures.
  • Setting up guest access and room discovery policies.

Encryption and Security

  • Implementing end-to-end encryption using Olm and Megolm.
  • Device verification and cross-signing mechanisms.
  • Key backup and recovery procedures using passphrases.
  • Admin access to encrypted content: limitations and mitigation strategies.

Bridges and Integrations

  • Integrating Slack, Discord, IRC, and WhatsApp bridges.
  • Configuring email notifications and GitHub/GitLab webhooks.
  • Jitsi integration for encrypted video calls.
  • Developing custom bots using the matrix-nio SDK.

Federation and Governance

  • Managing federation whitelist and blacklist policies.
  • Room version upgrades and state resolution.
  • Media repository limits and retention policies.
  • Utilizing antispam and abuse reporting tools.

Maintenance and Scaling

  • Database optimization and utilizing purge APIs for old data.
  • Media storage cleanup and offloading to S3.
  • Implementing worker mode for high-traffic deployments.
  • Backup and disaster recovery for homeserver state.

Requirements

  • Intermediate knowledge of Linux and Docker administration.
  • Understanding of instant messaging protocols and federation concepts.
  • Familiarity with PostgreSQL and deploying Python applications.

Audience

  • IT teams seeking to replace Slack, Teams, or Discord with a sovereign alternative.
  • Organizations requiring on-premise messaging solutions with end-to-end encryption.
  • Government and defense teams needing federated, auditable chat systems.
 14 Hours

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