What are the steps for utilizing nginx as a forward proxy on an AWS EC2 instance?

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1. Launch an EC2 instance: First, launch an EC2 instance in AWS with any operating system of your choice.

2. Install Nginx: Once the EC2 instance is up and running, install Nginx on it using the appropriate package manager for the operating system.

3. Configure Nginx: Open the Nginx configuration file at /etc/nginx/nginx.conf and add the following code snippet to define the proxy settings:

http {
    server {
        listen 80;
        location / {
            resolver 8.8.8.8;
            proxy_pass http://$http_host$request_uri;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }
    }
}

This configuration sets Nginx to listen on port 80 and forward all requests to the destination server. The "resolver" directive tells Nginx to use the Google DNS server to resolve domain names.

1. Restart Nginx: Save the changes to the Nginx configuration file and restart Nginx using the appropriate commands for your operating system.

2. Test the proxy: To test the proxy, set your web browser or application to use the IP address of the EC2 instance as the proxy server and verify that the request is forwarded correctly.

Once the proxy is set up and working correctly, you can use it to provide additional security or to route traffic through a specific server for performance reasons.