Subject: [SIR-Mail] No.879: DDoS Attacks on NTP Servers affecting some GNSS receivers
From: Laura Sanchez <sanchez@dgfi.badw.de>

Dear Colleagues,

We would like to share with you the following message sent by our friend 
Alexander Holsteinson from Dominican Republic.

Best wishes,

Laura Sánchez


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Dear Colleagues,

A recent barrage of internet attacks have exposed some vulnerabilities 
in some networked GNSS receivers and other devices. All operators of 
GNSS networks and interested bystanders are encouraged to refer to the 
following UNAVCO Knowledge Base article for more information on 
mitigating the threat:

DDoS Attacks on NTP Servers affecting some GNSS receivers 
(http://facility.unavco.org/kb/questions/800/DDoS+Attacks+on+NTP+Servers+affecting+some+GNSS+receivers)


Regards,
Freddy Blume