JS – Security – Specify Referring Page
This script makes sure that your visitor can only reach a given page from the page that you specify.
<html>
<head>
<SCRIPT LANGUAGE="JavaScript">
var allowedreferrer = "http://www.yoursite.com/referringpagename.htm";
if (document.referrer.indexOf(allowedreferrer) == -1) {
alert("You can only access this page from " + allowedreferrer);
window.location=allowedreferrer;
}
</script>
</head>
<body>
This script makes sure that your visitor can only reach a given page from the page that you specify.
</body>
</html>
