Network Time Protocol (NTP) Amplification Attacks | US-CERT（情報元のブックマーク数）

NTP amp攻撃らしい。

A vulnerability in the "monlist" feature of ntpd can allow remote attackers to cause distributed denial of service attack (DDoS) via forged requests. US-CERT and the Canadian Cyber Incident Response Center (CCIRC) have both observed active use of this attack vector in recent DDoS attacks.

Network Time Protocol (NTP) Amplification Attacks | US-CERT

関連URL

• NTP Amplification Attacks Using CVE-2013-5211 | US-CERT

Internet接続 NTP対応時計 P18-NTP