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Cybersecurity · head to head

Authelia vs Rancher

Authelia logo

Authelia

Cybersecurity

Open-source authentication and two-factor portal for reverse proxies

From
Free
Rated
-
Full reviewWebsite
Rancher logo

Rancher

Cloud

Kubernetes management platform for multiple clusters

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Authelia depends on a reverse proxy: it is not a standalone identity provider; Rancher another platform to run and keep available, and an outage in it affects access to everything it manages
  • They diverge on capability: Authelia covers Reverse proxy integration, Rancher covers Multi-cluster management.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Authelia and Rancher actually diverge.

Attributes where Authelia and Rancher differ
AttributeAutheliaRancher
PlatformsDocker, Kubernetes, Linux, Self-hostedKubernetes, Linux, Docker, Self-hosted
CategoryCybersecurityCloud

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Authelia

  • Reverse proxy integration
  • Two-factor authentication
  • Access control rules
  • Lightweight backends

Only in Rancher

  • Multi-cluster management
  • Centralised RBAC
  • Cluster provisioning
  • App catalogue

What people use each for

The jobs each tool is most often brought in to do.

Authelia

  • Putting a login and 2FA in front of self-hosted services that have nonenot Rancher
  • Adding SSO across a small set of internal tools without a full identity platformnot Rancher
  • Home and small-team infrastructure behind a single reverse proxynot Rancher

Rancher

  • Operating many Kubernetes clusters with consistent access controlnot Authelia
  • Managing clusters across more than one cloud provider from one interfacenot Authelia
  • Edge deployments with many small clusters, typically alongside K3snot Authelia

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Authelia

  • Depends on a reverse proxy: it is not a standalone identity provider
  • Configuration is YAML-first with no administrative interface, so changes mean editing files
  • Not a full IAM: user management, provisioning and federation are limited compared with Keycloak
  • Scales poorly as an organisation-wide identity solution, which is not its target

Rancher

  • Another platform to run and keep available, and an outage in it affects access to everything it manages
  • Meaningful overhead if you only operate one or two clusters
  • Version compatibility between Rancher and managed Kubernetes versions needs watching during upgrades
  • Support requires a SUSE subscription; the project itself is community-supported

Pricing, plan by plan

Authelia

Free
  • AutheliaFree
    • Full functionality
    • No usage limits
    • Community support

Rancher

Free
  • RancherFree
    • Full functionality
    • No data limits
    • Community support

Which should you pick?

Choose Authelia if

  • You need reverse proxy integration.
  • You want to start without paying.
  • You work on Docker, Kubernetes, Linux, Self-hosted.
  • You also want two-factor authentication.
Authelia review

Choose Rancher if

  • You need multi-cluster management.
  • You want to start without paying.
  • You work on Kubernetes, Linux, Docker, Self-hosted.
  • You also want centralised rbac.
Rancher review

Questions people ask

Is Authelia or Rancher better?
Neither clearly leads. Authelia starts at Free and Rancher at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Authelia or Rancher?
Authelia starts at Free and Rancher at Free.
Does Authelia or Rancher run on more platforms?
Authelia runs on Docker, Kubernetes, Linux, Self-hosted. Rancher runs on Kubernetes, Linux, Docker, Self-hosted.
Can I use Authelia for free?
Both have a free tier, so you can try either at no cost before committing.
What is Authelia best used for?
Authelia is most often used for putting a login and 2fa in front of self-hosted services that have none, adding sso across a small set of internal tools without a full identity platform, home and small-team infrastructure behind a single reverse proxy. Of those, putting a login and 2fa in front of self-hosted services that have none and adding sso across a small set of internal tools without a full identity platform are not what Rancher is typically brought in for.
What can Authelia do that Rancher cannot?
Authelia covers Reverse proxy integration, Two-factor authentication, Access control rules, Lightweight backends. Rancher covers Multi-cluster management, Centralised RBAC, Cluster provisioning, App catalogue.

Answered from the vendors’ own pages

Authelia: Is Authelia free?

Yes, open source with no licence fee.

Rancher: Is Rancher free?

Yes, open source with no licence fee. SUSE sells support subscriptions.

Authelia: Does Authelia need a reverse proxy?

Yes. It integrates through forward authentication with Nginx, Traefik, Caddy or HAProxy rather than sitting in front of traffic itself.

Rancher: Does Rancher work with EKS and GKE?

Yes. It imports and manages existing clusters regardless of who provisioned them, alongside clusters it creates itself.

Authelia: Authelia or Keycloak?

Authelia is far lighter and aimed at protecting self-hosted services behind a proxy. Keycloak is a full identity and access management platform, and much more to run.

Rancher: Do I need Rancher for one cluster?

Generally no. Its value appears when cluster count and consistent access control become the problem, which is not the case with one.

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