Threat Level: green Handler on Duty: Tom Webb

SANS ISC: Port 123 (tcp/udp) Attack Activity - Internet Security | DShield Port 123 (tcp/udp) Attack Activity

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Port Information
Protocol Service Name
tcp NetController [trojan] Net Controller
tcp ntp Network Time Protocol
udp ntp Network Time Protocol
[get complete service list]
User Comments
Submitted By Date
2014-07-05 00:42:34
ntp can be used for amplificating ddos attacks:
Kutbuddin Trunkwala 2005-04-19 15:50:12
Two more vulnerabilities pertaining to NTP. Only HP-UX is vulnerable Several Microsoft products/versions affected
Derek Shull - Christian Cyber Security Service Owner 2005-03-26 02:48:26
This is used by Sobig virus.
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CVE Links
CVE # Description