Let’s see the steps to use HAProxy Authentication for OAuth2.0 Tokens in this article. Bobcares, as a part of our Server Management Service offers solutions to every query that comes our way.

How to Use HAProxy Authentication for OAuth2.0?

We can use the JWTs with the OAuth 2.0 protocol to transmit a client’s level of access to a service without the need for a password. JWTs act as a client’s proof of membership and enclose the fine-grained rights they possess. They contain a client’s rights but not their identity. Before allowing access to the protected resources, HAProxy verifies the reliability and validity of the access token with the authorization server.

The steps to set up the system are as follows:

1. Choose an authorization server (OAuth 2.0 provider) to issue and validate access tokens.

2. In the management console of the selected OAuth 2.0 provider, create an OAuth 2.0 client app.

3. Obtain from the OAuth 2.0 provider the following data: OAuth 2.0 server endpoint URLs, Client ID and client secret for the HAProxy instance, and OAuth 2.0 scopes needed for using protected resources.

4. On the server where we intend to run HAProxy, set up HAProxy. Make sure we are using a suitable version of HAProxy that supports the OAuth 2.0 process.

5. To include the OAuth 2.0 setup, edit the haproxy.cfg file in the HAProxy config file.

6. Set up the token validation options, client ID, client secret, and authorization server endpoint URLs for the OAuth 2.0 provider.

7. Set up HAProxy so that it can verify OAuth 2.0 tokens that clients send us. To confirm the validity of the token, may entail sending HTTP queries to the token validation or introspection endpoint of the OAuth 2.0 provider.

8. Restarting the HAProxy service after changes will make the changes take effect.

9. By using HAProxy to access the secure resources, we can test the OAuth 2.0 authentication process. Make sure that access is only allowed when valid OAuth 2.0 tokens are provided, and not allowed otherwise.

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Conclusion

To sum up, our Tech team went over the details of setting up HAProxy authentication for OAuth 2.0 tokens.