57 lines
2.2 KiB
Markdown
57 lines
2.2 KiB
Markdown
# Security & Identity
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The Nest's security model is built around three pillars: **identity management** (Keycloak), **secrets management** (Vault), and **network security** (TLS, MetalLB, Traefik middleware).
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## Identity: Keycloak
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[Keycloak](https://keycloak.org/) is the central identity provider for all user-facing services. It handles authentication, authorization, and single sign-on (SSO) via OpenID Connect (OIDC).
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### Configuration
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- **Namespace:** `security`
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- **Image:** `quay.io/keycloak/keycloak:latest`
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- **Hostname:** `sso.mynest.love`
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- **Database:** PostgreSQL (`keycloak-postgres.security.svc.cluster.local`)
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- **Proxy Headers:** `xforwarded` (required behind HAProxy)
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### Authentication Flow
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1. User visits a service (e.g., Jellyfin).
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2. Service redirects to Keycloak's OIDC authorization endpoint.
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3. User authenticates via **WebAuthn passkey** (passwordless).
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4. Keycloak issues an ID token and access token.
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5. Service validates the token and grants access based on group membership.
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### Passkeys (WebAuthn)
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- All authentication is **passwordless** after initial setup.
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- Users enroll passkeys on their devices (smartphone, security key, etc.).
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- Passkeys are stored in Keycloak's `webauthn` credential store.
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- Account recovery requires admin intervention + email verification.
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### Group-Based Authorization
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Access to services is controlled by Keycloak groups:
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| Group | Services Unlocked |
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|-------|-------------------|
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| (default) | Matrix, Vaultwarden, Forgejo, Documentation |
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| `media-users` | Jellyfin, Sonarr, Radarr, Bazarr |
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| `music-users` | DroppedNeedle, slskd |
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| `books-users` | Calibre-Web, Shelfmark, Audiobookshelf |
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| `storage-users` | Nextcloud |
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| `ttrpg-users` | Foundry VTT |
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Groups are managed by an admin. Users request access via the Matrix bot (`@access-bot:starling.mynest.love`).
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### Related Documentation
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- [Keycloak (Technical)](keycloak-technical.md) — Deep dive into Keycloak configuration
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- [Matrix Architecture](matrix-architecture.md) — How MAS integrates with Keycloak
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## Secrets Management: HashiCorp Vault
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[HashiCorp Vault](https://www.vaultproject.io/) manages secrets for all services. It is deployed as a 3-node Raft cluster with transit sealing via [Keykeeper](vault-and-keykeeper.md).
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### Architecture
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