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What are the steps to bind CSRF tokens to specific IP addresses in Forge


Unfortunately, the search results do not provide specific details on how to bind CSRF tokens to specific IP addresses in Laravel Forge. The information focuses more on general CSRF protection best practices in Laravel applications.

However, based on the information provided, here are the general steps you can take to bind CSRF tokens to specific IP addresses in a Laravel Forge custom UI:

1. Implement a Custom CSRF Token Middleware:
- Create a custom middleware that extends Laravel's built-in `VerifyCsrfToken` middleware.
- In the `handle()` method of your custom middleware, check the client's IP address and validate the CSRF token against the expected IP address.
- You can retrieve the client's IP address using the `$request->ip()` method.

2. Bind the CSRF Token to the Client's IP Address:
- When generating the CSRF token, include the client's IP address as part of the token.
- You can use a combination of the session token and the client's IP address to create a unique CSRF token.
- Store this bound CSRF token in the user's session or a dedicated storage service (e.g., Redis, Memcached).

3. Validate the CSRF Token on Each Request:
- In your custom CSRF token middleware, retrieve the bound CSRF token from the storage and compare it with the token sent in the request.
- Validate that the client's IP address matches the IP address used to generate the bound CSRF token.
- If the validation fails, return a 403 Forbidden response or redirect the user to an appropriate error page.

4. Regenerate the CSRF Token After Each Request:
- After a successful CSRF token validation, regenerate the bound CSRF token and update the stored value.
- This helps prevent token reuse and adds an additional layer of security against CSRF attacks.

5. Exclude Specific Routes from CSRF Protection:
- If there are certain routes in your Forge custom UI that do not require CSRF protection (e.g., public API endpoints), you can exclude them from the CSRF middleware.
- This can be done by overriding the `$except` property in your custom CSRF token middleware.

By implementing these steps, you can effectively bind CSRF tokens to specific IP addresses in your Laravel Forge custom UI, enhancing the overall security of your application and mitigating the risk of CSRF attacks.

Remember to thoroughly test your implementation and consider any potential edge cases or compatibility issues that may arise when integrating this custom CSRF token validation with your Forge application.

Citations:
[1] https://laravel.com/docs/11.x/sanctum
[2] https://wpwebinfotech.com/blog/laravel-security-best-practices/
[3] https://laravel.com/docs/11.x/csrf
[4] https://security.stackexchange.com/questions/254720/what-should-i-worry-about-when-attaching-a-token-to-a-request-manually
[5] https://forge.laravel.com/docs/sites/deployments.html