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Course Outline
Federated Messaging Sovereignty
- Understanding why Slack and Teams create data silos and expose users to foreign jurisdictions.
- Matrix protocol architecture: homeservers, rooms, events, and federation mechanics.
- Synapse as the reference server: features and resource requirements.
- Comparison with Mattermost, Rocket.Chat, and Zulip.
Synapse Deployment
- Setting up a Docker Compose stack including Synapse, PostgreSQL, and Element-Web.
- Native package installation and systemd service configuration.
- Configuring a reverse proxy with Nginx and TLS.
- Generating initial configurations and performing database migrations.
Client Configuration
- Deploying Element Web with custom branding.
- Configuring desktop and mobile apps to point to a custom homeserver URL.
- Managing user registration, login procedures, and password resets.
- Defining guest access policies and room discovery rules.
Encryption and Security
- Implementing end-to-end encryption using Olm and Megolm protocols.
- Performing device verification and cross-signing.
- Setting up key backup and recovery with passphrases.
- Addressing limitations and mitigations regarding admin access to encrypted content.
Bridges and Integrations
- Configuring bridges for Slack, Discord, IRC, and WhatsApp.
- Setting up email notifications and GitHub/GitLab webhooks.
- Integrating Jitsi for encrypted video calls.
- Developing custom bots using the matrix-nio SDK.
Federation and Governance
- Managing federation whitelist and blacklist policies.
- Handling room version upgrades and state resolution.
- Setting media repository limits and retention policies.
- Utilising antispam and abuse reporting tools.
Maintenance and Scaling
- Database optimisation and using purge APIs for old data.
- Cleaning up media storage and offloading to S3.
- Implementing worker mode for high-traffic deployments.
- Executing backup and disaster recovery strategies for homeserver state.
Requirements
- Intermediate knowledge of Linux and Docker administration.
- Understanding of instant messaging protocols and federation concepts.
- Familiarity with PostgreSQL databases and Python application deployment.
Audience
- IT teams seeking to replace Slack, Teams, or Discord with a sovereign alternative.
- Organisations requiring on-premise messaging solutions with end-to-end encryption.
- Government and defence teams needing federated, auditable chat capabilities.
14 Hours
