Enforcing SSL/https on Specific PHP Pages Using .htaccess and mod_rewrite
To enforce SSL/https on specific PHP pages, one can utilize Apache's mod_ssl and mod_rewrite modules.
Apache's mod_ssl
The SSLRequireSSL directive enforces SSL by prohibiting access unless HTTPS is employed. This directive is useful within SSL-enabled virtual hosts or directories, preventing exposure of protected content due to configuration errors.
mod_rewrite in .htaccess
For redirecting to HTTPS, mod_rewrite can be used in .htaccess with the following code:
RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
PHP Solution
If .htaccess is disabled, the following PHP code can be employed:
if (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] !== 'on') {
if(!headers_sent()) {
header("Status: 301 Moved Permanently");
header(sprintf(
'Location: https://%s%s',
$_SERVER['HTTP_HOST'],
$_SERVER['REQUEST_URI']
));
exit();
}
}
Additional resources on redirecting to HTTPS:
- http://www.askapache.com/htaccess/http-https-rewriterule-redirect.html
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