this attack is still strong here..

jamesc@gbr1.oct> show firewall filter proactive-filter
Name Bytes Packets
mssql-drops 916252204 2267951

        term NO-MSSQL {
            from {
                packet-length 404;
                protocol udp;
                destination-port 1434;
            }
            then {
                count mssql-drops;
                discard;
            }
        }