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About Ingress nginx auth_request Kubernetes Components

Did you know that Ingress-Nginx and auth_request are components in Kubernetes that manage and secure access to services running within a Kubernetes cluster?

Let’s break down each of these components and see how they work together:

• Ingress-Nginx:

  Ingress-Nginx is a popular Kubernetes Ingress controller based on the Nginx web server. An Ingress controller manages external access to the services in the cluster, usually for HTTP and HTTPS traffic.

  Furthermore, it acts as a reverse proxy and routes incoming requests to the services based on the rules defined in Kubernetes Ingress resources.
• auth_request:

  This feature by Nginx lets us add an additional layer of authentication and authorization to incoming requests before they reach our application. Additionally, it helps Nginx to send requests to an authentication server or endpoint before forwarding the request to the actual application.

  Then, the authentication server evaluates the request and decides to allow or deny it based on the authentication and authorization logic.

How does auth_request work

1. A client sends an HTTP request to our Ingress controller.
2. Then, the Ingress controller forwards this request to the auth_request endpoint.
3. After that, the authentication endpoint processes the request, checks if the client is authenticated, and returns a response to the Ingress controller.
4. Then, the Ingress controller allows the request to proceed to the backend application or denies it.

This is often used in cases like enforcing user authentication, implementing SSO, etc.

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Conclusion

In brief, our Support Experts introduced us to Ingress nginx auth_request components in Kubernetes.