nginx: Setup SSL Reverse Proxy (Load Balanced SSL Proxy)

To set up an SSL reverse proxy with nginx, you will need to configure nginx as a reverse proxy and then enable SSL support. Here is an example of how you might set this up:

1. Install nginx and obtain a SSL certificate:

2. Install nginx using your operating system's package manager.

3. Obtain a SSL certificate for your domain. This can be a self-signed certificate or a certificate issued by a certificate authority (CA).

4. If you are using a self-signed certificate, you will need to install the certificate on your client systems so that they trust the certificate.

5. Configure nginx as a reverse proxy:

6. In your nginx configuration file (usually located at /etc/nginx/nginx.conf), set up a server block that listens for incoming connections on a specific port (e.g., 443 for SSL) and forwards them to the target servers. Here is an example server block that listens for incoming SSL connections on port 443 and forwards them to two backend servers at 192.0.2.1 and 192.0.2.2:

server {
    listen 443 ssl;
    server_name example.com;

    ssl_certificate /path/to/ssl_cert.pem;
    ssl_certificate_key /path/to/ssl_key.pem;

    location / {
        proxy_pass http://backend;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    upstream backend {
        server 192.0.2.1:80;
        server 192.0.2.2:80;
    }
}

3. Restart nginx to apply the changes:
4. Run the command systemctl restart nginx (or service nginx restart depending on your operating system) to apply the changes and restart nginx.

This will set up nginx as a load-balanced SSL reverse proxy that listens for incoming SSL connections on port 443 and forwards them to the backend servers at 192.0.2.1 and 192.0.2.2. The backend servers can be any web servers that support HTTP, such as Apache or IIS.

Note: This is just one example of how you might set up an SSL reverse proxy with nginx. There are many other configuration options available, and the specific steps you need to take will depend on your specific requirements.