r5 - 2005-04-10 - 03:47:32 - HarlanStennYou are here: NTP >  Support Web > HelpWanted > WindowsXPAndPPS
NTP users are strongly urged to take immediate action to ensure that their NTP daemons are not susceptible to being used in distributed denial-of-service (DDoS) attacks. Please also take this opportunity to defeat denial-of-service attacks by implementing Ingress and Egress filtering through BCP38.

ntp-4.2.8p10 was released on 21 March 2017. It addresses 6 medium- and 5 low-severity security issues, 4 informational security topics, 15 bugfixes, and contains other improvements over 4.2.8p9.

Please see the NTP Security Notice for vulnerability and mitigation details.

Are you using Autokey in production? If so, please contact Harlan - he's got some questions for you.
I currently have NTPd on 2.4.21-NANO Linux running well with the PPSAPI using ppsctl -tah -p/dev/ttyS0. The NMEA refclock driver is being used to get the 1 Hz GPRMC timestamps from my Novatel OEM4 GPS Reciever at 9600 baud. We use the PPSAPI in a distributed application that needs an EXTRemely precise network based timesource.

As a majority of my company's codebase uses Windows XP Pro with RTX (Realtime Extensions for Windows), I have been tasked with determining what the effort would be to implement a PPS interface on Windows XP ( with or without using RTX ) that would operate the same as the Linux version, and WHY/WHY NOT we should undertake the effort.

any information or comments regarding this issue are appreciated.

-- ChrisHammond - 12 Jul 2004

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