<!DOCTYPE html>
<script>
if (window.internals) {
    var settings = window.internals.mockContentFilterSettings;
    settings.enabled = true;
    settings.decisionPoint = "afterRedirect";
    settings.decision = "allow";
    settings.blockedString = "<!DOCTYPE html><body>FAIL";
}
</script>
<body>
<iframe src="/resources/redirect.php?url=/contentfiltering/resources/pass.html"></iframe>