Attributes . Content Filtering, Intrusion Prevention, Intrusion Detection, Anti-spam, Antivirus, Application Control, Java and ActiveX Blocking, Malicious Source IP Address Blocking, Keyword Filtering, URL Filtering, Stateful Packet Filtering, Traffic Anomaly Detection, FloodGuard, Dead Peer Detection, Malware Protection, Distributed Denial of Service (DDoS), Denial of Service (DoS) . Names