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摘要

Aging networking protocols (such as Network Time Protocol and SNMP) still employed by nearly every Internet-connected device are being abused by hackers to conduct DDoS attacks. Security vendor Prolexic found that attackers are increasingly using the protocols for what it terms "distributed reflection denial-of-service attacks" (DrDos), where a device is tricked into sending a high volume of traffic to a victim's network. Prolexic wrote in a white paper: "When these protocols were developed, functionality was the main focus, not security."