Tags: NTP

How to Synchronize Time with NTP in Linux

The Network Time Protocol (NTP) is a protocol used to synchronize computer system clock automatically over a networks. The machine can have the system clock use Coordinated Universal Time (UTC) rather than local time. The most common method to sync system time over a network in Linux desktops or...
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time
Learn how to run your own public time server and contribute to an essential public good.

How to Run Your Own Public Time Server on Linux

One of the most important public services is timekeeping, but it doesn't get a lot of attention. Most public time servers are run by volunteers to help meet always-increasing demands. Learn how to run your own public time server and contribute to an essential public good. (See Keep Accurate Time on...
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USNO
Learn how to keep your computers synchronized, using NTP and systemd.

Keep Accurate Time on Linux with NTP

How to keep the correct time and keep your computers synchronized without abusing time servers, using NTP and systemd. What Time is It? Linux is funky when it comes to telling the time. You might think that the time tells the time, but it doesn't because it is a timer that measures how long a...
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CII Audit Identifies Most Secure NTP Implementation

Since its inception the CII has considered network time, and implementations of the Network Time Protocol, to be “core infrastructure.” Correctly synchronising clocks is critical both to the smooth functioning of many services and to the effectiveness of numerous security protocols; as a result...
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Sustainable Open Source – Where Are the Vendors?

Harvard Business Review has an article comparing old, crusty open source code to the Y2K ordeal. Go ahead and read it – it’s worth your time. What if I told you that the entire NTP relies on the sole effort of a 61-year-old who has pretty much volunteered his own time for the last 30 years? His...
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Paving with Good Intentions: The Attempt to Rescue the Network Time Protocol

After the Heartbleed bug revealed in April 2014 how understaffed and under-funded the OpenSSL project was, the Network Time Foundation was discovered to be one of several projects in a similar condition. Unfortunately, thanks to a project fork, the efforts to lend NTP support have only divided the...
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NTP
This tutorial series looks at configuration, monitoring, and securing of NTP, a critical element for the integrity of your infrastructure.

Arrive On Time With NTP -- Part 3: Secure Setup

Earlier in this series, I provided a brief overview of NTP and then looked at important NTP options to lock down your servers. In this article, I’ll look at some additional security concerns. Check out the pool According to the excellent site NTP Pool Project website, which points users at a “big...
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NTP security
Chris Binnie continues his NTP tutorial series with a look at some security concerns and important NTP options to lock down your servers.

Arrive On Time With NTP -- Part 2: Security Options

In the first article in this series, I provided a brief overview of NTP and explained why NTP services are critical to a healthy infrastructure. Now, let’s get our hands dirty and look at some security concerns and important NTP options to lock down your servers. Attacks On NTP One nasty attack...
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NTP
In this first of a three-part series, Chris Binnie looks at why NTP services are essential to a happy infrastructure.

Arrive On Time With NTP -- Part 1: Usage Overview

Few services on the Internet can claim to be so critical in nature as time. Subtle issues which affect the timekeeping of your systems can sometimes take a day or two to be realized, and they are almost always unwelcome because of the knock-on effects they cause. Consider as an example that your...
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Time Is Running Out for NTP

Everyone benefits from Network Time Protocol, but the project struggles to pay its sole maintainer or fund its various initiatives.  “NTF’s NTP project remains severely underfunded,” the project team wrote in a recent security advisory. “Google was unable to sponsor us this year, and currently, the...
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