To force HTTPS on all requests in Apache, you need to create a rewrite rule in the Apache configuration file or the .htaccess file.
Here’s an example of how to do it:
1. Open the Apache configuration file in a text editor. This file is typically located in `/etc/apache2/apache2.conf` or `/etc/httpd/httpd.conf` for Ubuntu or CentOS servers respectively, or in the virtual host configuration file. Alternatively, you can also use the `.htaccess` file in the root directory of your website.
1. Find the `
1. To turn on the rewrite module, add the following lines:
```
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
```
1. Save and close the file.
1. Restart your Apache server to allow the changes to take effect. The command to do this typically is `sudo systemctl restart apache2` or `sudo service httpd restart`.
These lines will check if the HTTPS is off for a request, and if it is, it’ll redirect the request to the HTTPS version of your site.
Please ensure mod\_rewrite module is enabled in Apache. If not, use this command to enable it: `sudo a2enmod rewrite` and then restart Apache.
Always backup your configurations before making these changes so you can easily roll back if something goes wrong!