How can I set up an Nginx Proxy Manager for URL redirects on a subdomain?

Setting up Nginx Proxy Manager for URL redirects on a subdomain involves several steps. Here's a detailed guide:

1. Install Nginx Proxy Manager:

- Ensure you have Nginx Proxy Manager installed and running. It's typically deployed via Docker. If you haven't installed it yet, you can follow the official documentation.

2. Access Nginx Proxy Manager:

- Open your web browser and navigate to the Nginx Proxy Manager interface. Log in with your credentials.

3. Add a New Proxy Host:

- In the dashboard, click on "Proxy Hosts". Then, click "Add Proxy Host".

4. Configure the Proxy Host:

- Domain Name: Enter the subdomain you wish to configure, for example, sub.yourdomain.com.

- Scheme: Select http or https depending on your needs.

- Forward Hostname/IP: Enter the target host or IP address where the requests should be forwarded.

- Forward Port: Enter the port number on the target host that should receive the request. For example, if your target application is running on port 8080, enter 8080.

5. Set up the Redirection:

- Click on the "Advanced" tab.

- In the "Custom Nginx Configuration" area add a rule to redirect all traffic for this specific subdomain. For example, to redirect all traffic from the subdomain to https://www.anotherdomain.com, you could use the following:

return 301 https://www.anotherdomain.com$request_uri;

- Remember to use return 301 for permanent redirects or return 302 for temporary redirects.

6. Save the Configuration:

- Click "Save". Nginx Proxy Manager will update the Nginx configuration automatically.

7. Test the Configuration:

- Open your web browser and navigate to the configured subdomain (e.g., sub.yourdomain.com). Verify that you are redirected to the specified target URL.

8. SSL Certificates (Optional):

- If you want HTTPS, navigate to the SSL tab. You can obtain a free certificate via Let's Encrypt with Nginx Proxy Manager, or upload an existing one.

Example Scenario:

Let's say you want all traffic to blog.example.com to redirect to https://www.myblogsite.com. Here’s how you would configure it:

- Domain Name: blog.example.com

- Scheme: http (it will redirect to https as specified in the Advanced tab)

- Forward Hostname/IP: Doesn't matter because we will redirect

- Forward Port: Doesn't matter because we will redirect

- Custom Nginx Configuration: return 301 https://www.myblogsite.com$request_uri;

By following these steps, you can effectively use Nginx Proxy Manager to set up URL redirects for your subdomains. This provides a central and intuitive way to manage your redirects without having to manually edit Nginx configurations.

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