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How to Redirect HTTP to HTTPS in Nginx

In most cases, you can locate the file in the /etc/nginx/sites-available directory. If not found, search for it here: /etc/nginx/nginx.conf, /usr/local/nginx/conf, or /usr/local/etc/nginx.

Open your Nginx config file as shown below.

sudo vi /etc/nginx/sites-available/default

Add or update the server block similar to the below sample, to match your requirements

server {
    listen 80 default_server;
    server_name _;

    return 301 https://$host$request_uri;
}

Once you are finished editing, save the file and exit. Then, restart the Nginx service with the following command:

sudo service nginx restart

Here is a breakdown of the commands:

  • Listen 80: This instructs the system to catch all HTTP traffic on Port 80
  • Server_name _;: This will match any hostname
  • Return 301: This tells the browser (and search engines) that this is a permanent redirect
  • https://$host$request_uri: This is a short code to specify the HTTPS version of whatever the user has typed

Now all incoming requests will be routed to the HTTPS version.