---
title: Identity Management Patterns
description: System-level identity management patterns for self-hosted and homelab environments
tags:
  - identity
  - authentication
  - architecture
category: systems
created: 2026-03-14
updated: 2026-03-14
---

# Identity Management Patterns

## Summary

Identity management patterns describe how users, devices, and services are authenticated and governed across a self-hosted environment. Strong patterns reduce credential sprawl and make account lifecycle management more consistent.

## Why it matters

As services multiply, local account management becomes a source of weak passwords, missed offboarding, and inconsistent MFA coverage. A system-level identity pattern helps centralize trust while preserving operational fallback paths.

## Core concepts

- Central identity provider for users
- Federated login to applications through OIDC or SAML
- Strong admin authentication for infrastructure access
- Separate handling for service accounts and machine credentials

## Practical usage

A practical identity pattern often looks like:

```text
Users -> Identity provider -> Web applications
Admins -> VPN + SSH key or hardware-backed credential -> Infrastructure
Services -> Scoped machine credentials -> Databases and APIs
```

Supporting services may include:

- MFA-capable identity provider
- Reverse proxy integration for auth-aware routing
- Secrets management for service credentials

## Best practices

- Centralize user login where applications support it
- Require MFA for administrative and internet-exposed access
- Keep service credentials scoped to one system or purpose
- Maintain documented break-glass and recovery procedures

## Pitfalls

- Treating shared admin accounts as acceptable long-term practice
- Leaving old local users in place after federation is introduced
- Using one service credential across many applications
- Forgetting to protect the identity provider as critical infrastructure

## References

- [OpenID Connect Core 1.0](https://openid.net/specs/openid-connect-core-1_0.html)
- [NIST Digital Identity Guidelines](https://pages.nist.gov/800-63-3/)
- [Yubico developer documentation](https://developers.yubico.com/)