BAD REQUEST!!!!!!

IP: 34.204.180.223
Host: warningzscaler.heraeus.com
Method: GET
URL: /?url=https%3A%2F%2Ffacebook.com%2Fheraeusausbildung&referer=https%3A%2F%2Fwww.heraeus.com%2Fde%2Fgroup%2Fcontact%2Fcontact_overview%2F&reason=Not+allowed+to+browse+Social+Networking+category&reasoncode=CATEGORY_DENIED&timebound=1&action=deny&kind=category&rule=5492&cat=Social+Networking&user=ext09036@heraeus.com&lang=de_DE&zsq=QDWkPDrDkWnMsW676QDM56MM2FWfwkPDMVkQkwkzsq