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Course Outline
Decentralized Communication Sovereignty
- Why centralized chat poses risks to data governance.
- Overview of the Matrix protocol: rooms, events, and federation.
- Comparison of Synapse and Dendrite homeserver options.
Homeserver Deployment
- Setting up a Docker Compose stack with Synapse, PostgreSQL, and Element Web.
- Configuring a reverse proxy using Nginx and LetsEncrypt.
- Establishing federation configuration: .well-known delegation and port 8448.
Authentication and Identity
- Implementing local authentication, LDAP integration, and OpenID Connect.
- Defining user registration policies and guest access controls.
- Setting up SSO with Keycloak, Authentik, or Authelia.
End-to-End Encryption
- Workflows for cross-signing and device verification.
- Key backup and recovery mechanisms for lost devices.
- Administrative implications regarding encrypted rooms and export rules.
Spaces, Rooms, and Bridges
- Structuring enterprise spaces to accommodate departments and projects.
- Utilizing IRC, Slack, and Telegram bridges for inter-team communication.
- Leveraging threading, reactions, and bots for automation.
Security and Moderation
- Using the Admin API for user management, room shutdowns, and data deletion.
- Adjusting privacy settings: message retention, redaction, and media purging.
- Implementing rate limiting and CAPTCHA to mitigate spam registrations.
Maintenance and Scaling
- PostgreSQL maintenance: vacuum operations, indexing, and long-term retention strategies.
- Managing media repository sizing and offloading to S3.
- Monitoring with Prometheus and establishing 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.
- Sectors in regulated industries: healthcare, finance, and defense.
- Proponents of decentralization and organizations prioritizing privacy.
14 Hours
