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-4.2.8p11 was released on 27 February 2018. It addresses 2 low-/medium-, 1 informational-/medium-, and 2 low-severity security issues in ntpd, 1 medium-severity security issue in ntpq, and provides over 65 non-security bugfixes and other improvements over 4.2.8p10.

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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