Solving CORS Errors with Nginx, Node, and Vue When Using SSL скачать в хорошем качестве

Solving CORS Errors with Nginx, Node, and Vue When Using SSL

Learn how to fix CORS and SSL protocol errors in your Nginx, Node.js, and Vue application with our comprehensive guide. --- This video is based on the question https://stackoverflow.com/q/66383061/ asked by the user 'why me' ( https://stackoverflow.com/u/14674809/ ) and on the answer https://stackoverflow.com/a/66383409/ provided by the user 'Quentin' ( https://stackoverflow.com/u/19068/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: cors error with nginx, node and vue when using SSL Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Understanding and Resolving CORS Errors with Nginx, Node, and Vue in SSL Setup In the world of web development, encountering errors when trying to serve your applications over HTTPS can be frustrating. CORS (Cross-Origin Resource Sharing) errors and SSL protocol errors tend to manifest when configurations aren’t aligned correctly, especially when you’re using self-signed certificates along with frameworks like Node.js and Vue. In this guide, we’ll delve into the common pitfalls and effective solutions for resolving these issues when using Nginx as a reverse proxy. The Issue at Hand A developer recently faced issues when implementing HTTPS on their server using self-signed certificates. The configuration worked perfectly over HTTP, but as soon as they switched to HTTPS, they encountered a CORS error in Firefox and an SSL protocol error in Chrome. This problem often arises due to misconfigurations in server settings which lead to the applications not communicating properly over secure connections. Initial Observations Here’s a summary of the configuration outlined by the developer: Nginx was set up to handle HTTPS connections. Node.js served the application over a local HTTP address (without SSL). The Vue front-end was expected to work seamlessly with both backend and proxy configurations. Troubleshooting the SSL Error Key Insight: Misalignment in Protocols The primary reason for the conflict lies in how requests are proxied. Specifically, while the developer's Node.js server was set to handle requests over HTTP: [[See Video to Reveal this Text or Code Snippet]] The connection to that port doesn’t support HTTPS. Consequently, any HTTPS requests reaching this endpoint would lead to SSL errors. Steps to Resolve the Issue To eliminate these errors, you must ensure that any requests that require HTTPS genuinely target an HTTPS-enabled service. Here’s how to properly set it up: Assessing the Server Configuration: Ensure both Nginx and Node.js can serve content over HTTPS: Nginx should handle SSL negotiations. Node.js either needs to support SSL directly or be reachable through a backend that does. Change the proxy_pass Directive: You may need to route requests correctly. If your Node.js service is running on HTTP, ensure that it’s appropriately connected: If you intend to access port 60702 securely using HTTPS, you would modify the proxy_pass directive as shown below. You can also run your Node 서비스 over HTTPS. [[See Video to Reveal this Text or Code Snippet]] Adjust Your Node.js Application: If you aren't already, consider running your Node.js application over HTTPS for consistency throughout your application architecture. CORS Headers: Ensure the necessary CORS headers are properly set up in both Nginx and your Node.js backend to allow cross-origin requests. This minimizes potential CORS-related blocking. Example Configuration Here’s a concise overview for both Nginx and Node.js: Nginx setup should include relevant headers: [[See Video to Reveal this Text or Code Snippet]] Node.js should explicitly use CORS: [[See Video to Reveal this Text or Code Snippet]] This will set the required headers for proper CORS handling and ensure that both servers can interact without security issues. Conclusion Setting up SSL with Nginx, Node.js, and Vue can introduce a handful of complications, especially with CORS. By ensuring that all components of your architecture are well-aligned to handle HTTPS requests, you can effectively minimize and resolve these errors. Always test each layer of your stack individually to confirm that they are functioning as intended before deploying your app in a production environment. By following these steps, you'll bolster your application's resilience against CORS er