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About Laravel Kerberos Authentication

Laravel is a well-known PHP web application framework. It offers developers a wide range of tools and features to build robust web applications. Furthermore, it supports several authentication methods including Kerberos.

Kerberos is a network authentication protocol. It offers secure communication over an insecure network. It relies on a trusted third-party authentication server to verify the identities of clients and servers. Furthermore, it generates cryptographic keys to encrypt and decrypt messages.

In order to use Kerberos authentication in a Laravel application, we have to configure our web server and PHP environment to support Kerberos. This includes installing and configuring a Kerberos client library. Additionally, we have to configure the webserver to use the Kerberos authentication module.

After the server environment is configured for Kerberos, we can use Laravel’s built-in authentication system to handle user authentication. Laravel offers a flexible system that allows different authentication providers to authenticate users.

Furthermore, we need to create a custom authentication driver that uses the Kerberos client library to authenticate users to use Kerberos in Laravel. We also have to configure the driver to use the Kerberos server.

How to authenticate an application using Kerberos

1. First, we have to install Kerberos in our Laravel project with the following command:

   $ composer require cleaniquecoders/kerberos-auth
2. Next, it is time to publish the Kerberos configuration with this command:

   $ php artisan vendor:publish –tag="kerberos-auth-config"
3. Then, we have to install the KerberosMiddleware in app/Http/Kernel.php in web group middleware as seen below:

   



How to use Kerberos Authentication

We have to activate the Kerberos Authentication to start using it. This is done by adding the following to the .env file:

KERBEROS_ENABLED=true

Then, we can modify the Kerberos header passed to the application as well. If not, it will be X-REMOTE-USER by default.

Furthermore, Kerberos uses App\Models\User::class and the email field to identify the user’s identity and authenticate to the application by default. We can opt to change this in the .env file.

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Conclusion

To sum up, our Support Techs introduced us to Laravel Kerberos Authentication.