Apache – Redirect HTTP requests to HTTPS

This post shows you three approaches how to redirect all insecure HTTP requests on a site to secure HTTPS.

 

1. Using .httaccess approach

.htaccess
RewriteEngine On
RewriteCond %{HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

 

2. Using server configuration file approach

<VirtualHost *:80>
    ServerName www.example.com
    Redirect "/" "https://www.example.com/"
</VirtualHost>

<VirtualHost *:443>
    ServerName www.example.com
    # ... SSL configuration goes here
</VirtualHost>

You can find more information about this approach here.

 

3. Using PHP approach

redirect-to-https.php
<?php
function redirectToHttps()
{
    if ($_SERVER['HTTPS'] !== 'on') {
        $httpsUrl = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
        header("Location: $httpsUrl"); 
    } 
}

With this simple PHP approach, you simply call that redirectToHttps() function in your PHP application.

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