- <li><a href="http://php.net/">PHP</a> version <strong>5.6</strong> or higher.</li>
- <li><a href="http://www.mysql.com/">MySQL</a> version <strong>5.6</strong> or higher.</li>
- <li>The <a href="http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html">mod_rewrite</a> Apache module.</li>
+ <li><a href="https://secure.php.net/">PHP</a> version <strong>5.6</strong> or higher.</li>
+ <li><a href="https://www.mysql.com/">MySQL</a> version <strong>5.6</strong> or higher.</li>
+ <li>The <a href="https://httpd.apache.org/docs/2.2/mod/mod_rewrite.html">mod_rewrite</a> Apache module.</li>