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DDoS Attacks Exploiting Vulnerability in Network Time Protocol

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  • DDoS Attacks Exploiting Vulnerability in Network Time Protocol

    (December 30, 2013) A new variety of distributed denial-of-service (DDoS) attack exploits an often-neglected network protocol known as NTP, or Network Time Protocol.
    Researchers noticed a spike in NTP reflection attacks last month.
    Network administrators tend not to update NTP after its initial configuration. The current attacks exploit a flaw in the "monlist"
    command of these older versions. Organizations should update NTP to version 4.2.7, which does not use the monlist command. They can also disable access to monlist in older versions of NTP.
    Internet Storm Center: https://isc.sans.edu/diary/NTP+reflection+attack/17300
    http://www.darkreading.com/attacks-b...-bas/240165063
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