<?php

if (php_sapi_name() != 'cli') {
    if (UL_PREVENT_CLICKJACK) {
        header('X-Frame-Options: SAMEORIGIN');
    }
    if (UL_HTTPS || UL_HSTS > 0) {
        if (!ulUtils::IsHTTPS()) {
            header('HTTP/1.1 301 Moved Permanently');
            header('Location: ' . ulUtils::CurrentURL(true, 'https'));
            exit(0);
        } else {
            if (UL_HSTS > 0) {
                header('Strict-Transport-Security: max-age=' . (string) UL_HSTS);
            }
        }
    }
}
<?php

// ********************************
//	DO NOT MODIFY
// ********************************
$returnUrl = ulUtils::CurrentURL();
$sig_request = Duo::signRequest(UL_DUOSEC_IKEY, UL_DUOSEC_SKEY, UL_DUOSEC_AKEY, $uid);
// ********************************
//	MAKE MODIFICATION BELOW WHERE NOTED
//  If possible, only insert but do not modify
// ********************************
// ********************************
//	Your HTML here
//  doctype, head, title etc.
// ********************************
?>
<script src="<?php 
echo UL_DUOSEC_JQUERY_URI;
?>
"></script>
<script src="<?php 
echo UL_DUOSEC_JS_URL;
?>
"></script>
<script>
Duo.init({
	'host':'<?php 
echo UL_DUOSEC_HOST;
?>
',
	'post_action':'<?php