Leap Second on 30 June 2015

Network Time Foundation exists “to fix and prevent your headaches regarding Network Time”. One such headache that is sure to generate a lot of noise this year is the upcoming leap second to be introduced world-wide as the last second of June 2015. With this blog post and with software updates (see article by Harlan… Read More.

Are you ready for the leap second?

Are you ready for the leap second on 30 June 2015?  These are uncommon — they happen on average about every 18 months’  time but sometimes there can be several years’ time between them.  This one is a bit special.  While they usually happen on 31 December, this one happens on 30 June, and instead… Read More.

Event: NTF to attend ISPCS in Austin, Texas

Harlan Stenn and Sue Graves will be attending the: 2014 International IEEE Symposium on Precision Clock Synchronization for Measurement, Control and Communication Come talk with us about Network Time Protocol, PTP, General Timestamp and other time projects at the Plugfest or technical conference starting September 21st – September 26th!

NTP and CVE-2014-0160 (the OpenSSL “Heartbleed” bug)

On 7 Apr 2014 the OpenSSL project (http://openssl.org) disclosed CVE-2014-0160, a very serious security flaw in an OpenSSL library often referred to as the “Heartbleed” bug. This flaw is present in OpenSSL versions 1.0.1 and 1.0.2-beta (including 1.0.1f and 1.0.2-beta1). Since NTP can be linked against the OpenSSL libraries, we’ve been asked if this vulnerability… Read More.

BBC Technology News: Hack attacks battled by net’s timekeepers

Harlan was quoted in BBC Technology News today, if you haven’t read the entire article, take a moment to do so below: A massive worldwide effort is under way to harden the net’s clocks against hack attacks. The last few months have seen an “explosion” in the number of attacks abusing unprotected time servers, said… Read More.

NTP and the Winter of 2013 Network DRDoS Attacks

There’s been a fair amount of attention paid lately to the role of misconfigured NTP servers in the recent “network flooding attacks”. Much of the information in these reports is correct. Some parts are incomplete or inaccurate. Some History Over the centuries different groups of people have had the need for knowing the accurate time… Read More.