r1 - 2001-08-16 - 19:58:33 - PeterThoeny You are here: NTP >  Dev Web > WebChanges
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-4.2.8p15 was released on 23 June 2020. It addresses 1 medium-severity security issue in ntpd, and provides 13 non-security bugfixes over 4.2.8p13.

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.

100 Recent Changes in Dev Web retrieved at 02:11 (GMT)

Statistics for Dev Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads ...
What to expect as a project committer When you become a project committer you will: get ssh access to a shell account on appropriate machines at NTF or UDel ...
Welcome to the NTP Developers Web. This is a web based collaboration area for NTP Development related issues. Please feel free to add / modify / reorganize / recategorize ...
GNU AutoGen Improvements Background and Goals We want to use GNU AutoGen to produce a variety of .man pages for NTP. Things we need to be able to do include: ...
NTP Path Names NTP has traditionally used a number of path names that, with the benefit of hindsight, would be different. Whenever we have made the attempt to "fix ...
NTP Release Timeline Date Release # of Fixes Comment No more releases of ntp 4.2.8 are planned, but if more are needed we will make them ...
Updating libopts NOTE WELL: If autogen is upgraded on whimsy and another release of stable is planned, that tarball will be using the new autogen ! (Also ...
Authentication Issues and Suggestions Related Topics: Digest Methods For an in depth discussion of this, see MACDigestMethods. MAC field The MAC (Message Authentication ...
Release Steps Here are notes on what to do to create a release. Should this information continue to be here, or should we move it to the Committers web, or perhaps ...
NTP Variables and ntpq Related Topics: , , , , ConfigurationAndAuthorizationLevelsForNtpd Problem Summary ntpd and ntpq exchange system, peer, clock and ...
Configuration and Authorization Levels for ntpd Related Topics: NtpVariablesAndNtpq Background and History Analysis .BrianUtterback suggests we need to classify ...
Embedded Version String Content While fixing it was noted that the version string in the code takes the form: Version @ CSet build flags date buildnumber where ...
NTP's Authentication Key String Format The ntp.keys file contains a list of symmetric keys, in the form: NN AAA KKK where: NN a number, between 1 and 65535 ...
Development Issues This is a top level topic for the discussion of general NTP development issues. Please add items to the top of this list following the format ...
Recent Changes: View complete list Bug Lists: ...
Updating the Copyright Year Edit html/copyright.html Edit sntp/include/copyright.def In A.whatever run make COPYRIGHT If you do a full ...
Prefer Keyword Related Topics: , , html/prefer.html The prefer keyword was designed to be used by refclocks. It may also be used for other associations. The ...
NTP Protocol Response Matrix Related Topics: , , , NtpBroadcastIssues, KoDResponses Client/Server From assoc.html : Client/server mode is the most common configuration ...
Updating the REFID format Related Topics: RefidFormat, , , LeapSmearForNTPv4 Original Format The current format for the Refid is either: .ABCD. for a reference ...
GSoC Project Ideas Related Topics: NTF:GSoC/GSoCProjectIdeas Testing Anyone interested in learning advanced techniques in software testing will be interested ...
Deprecating ntpdc ntpd 4.2.7p230 defaults to ignoring ntpdc queries: https://lists.ntp.org/pipermail/questions/2011 November/030882.html KenyonRalph 2012 05 11 ...
ChangeLog Maintenance ChangeLog in dev If a change is being applied to both stable and dev , only add the ChangeLog entry to stable , as it will get ...
Release Schedule ntp 4.4 Blocking Issues ntp 4.2.8p4 Scheduled 21 October 2015 Focus: Security fixes, bug fixes, Unit tests. ...
ntp 4.4 ntp 4.2.8p4 ntp 4.2.8p3
GSoC 2015 NTP Testing : Migration to Unity Framework UnitTesting Student: .LokeshWalase Mentors: .HarlanStenn, .RahulKumar GSoC: https://www.google ...
GSoC 2015 Testing Damir Tomic Student: .DamirTomic Mentors: .RahulKumar, .HarlanStenn GSoC: Project Page Summary Related Items: Tasks learning ...
Leap Smear for NTPv4 Related Topics: UpdatingTheRefidFormat Actual Implementation Leap smearing was implemented in ntpd versions 4.2.8.p3 and 4.3.47; more information ...
Travis CI Notes Related Topics: Background TomaszFlendrich has been working on using https://travis ci.com and https://travis ci.org to help run test builds ...
Information for Maintainers Related topics: BitKeeperNotes, DocumentationNotes, SoftwareDevelopment, ssh notes , TravisCINotes Feel free to make improvements ...
GSoC 2015 ntp.conf web generator Parth Student: .ParthKolekar Mentors: .HarlanStenn, .WayneBuckhanan GSoC: Project Page Source Code: Page ...
Study the usefulness of different clock models for NTP Student: .DurgeshPandey Mentors: .JudahLevine, .TerjeMathisen GSoC: Project Page Summary The ...
To subscribe to this nop WebNotify service please add a bullet with your .WikiName in APLPHABETICAL order to this list: Format: space space space , followed ...
Leap Second File Issues Related Topics: LeapSecondTest We also want to understand the issues around UTC/TAI offsets.
Google Summer Of Code Related Topics: NTF:Main/GoogleSummerOfCode PTPd:Main/GoogleSummerOfCode Student Application Template Please see Summer Of Code Student ...
Updating the test suite of Network Time Protocol Student: .TomaszFlendrich Mentors: .HarlanStenn, .RahulKumar GSoC: Project Page Summary Related ...
Release Version Numbers Related Topics: EmbeddedVersionStringContent Post 4.2.8 The current official numbering mechanism is described on the release numbering ...
NTP Startup "step" choices When ntpd is started an offset correction may need to be applied. How that is done depends on the operational state of the machine. Note ...
Getting NTP into SVK As mentioned elsewhere, the opensource BitKeeper client is only able to pull sources from an upstream BitKeeper repository. You can't issue commands ...
If you want to inspect a remote repository, your best bet is to browse it. (There are some command line variations of bk that will give you some information about ...
BitKeeper Notes For more information about using or tracking NTP repositories using either the opensource or commercial BitKeeper programs see SoftwareDevelopment ...
Bugzilla Wishlist Related Topics: MaintainerIssues, https://bugzilla.mozilla.org/show bug.cgi?id 9412, , , , , , , , , Harlan's original Bugzilla wishlist ...
Code Review https://jonoscript.wordpress.com/2010/05/04/design lunch code review in bugzilla/ https://www.reviewboard.org/ https://code.google.com/p ...
NTP Coding Style Coding Style Tabstops at every 8th position, so a line beginning with tab is indented as if it had 8 spaces in place of the tab. Tabs should ...
Cross compiling NTP The configure script uses the cpu vendor os string to make decisions on a number of configurable items. While in a 'regular' build we can ...
Deprecating ntpdate The combination of ntpd and sntp now implements the functions of ntpdate . As soon as a few remaining issues with sntp are resolved the ...
NtpAuthKeyStringFormat LeapSmearForNTPv4 LeapSecondFileIssues NtpStartupIssues
Documentation Project Related Topics: DocumentationNotes Overview Dave has been maintaining the entire body of documentation as html pages. There are certain ...
Leap Second Testing This page is a simple description of testing the leap second implementation in NTP, this is part of my GSoC project as suggested by Harlan and ...
Work Page Initial Discussion We have data from a single hosts, some 'p' no. of packets. Task is to find offset and drift(frequency). One of the Idea to ...
Clock Startup Analysis Rahul Student: .RahulKatare Mentors: .HarlanStenn, .MartinBurnicki GSoC: Project Page Summary Ntpd program is an operating ...
Logging and Debugging Student: .ShubhamSinghal Mentors: .HarlanStenn GSoC: Project Page Summary Related Items: GSoC2012LoggingDebugging, GSoC2010LoggingAndDebugging ...
Unit Testing Allen Student: .AllenZhong Mentors: .RahulKumar, .HarlanStenn GSoC: Project Page Summary Related Items: UnitTestFramework, UnitTestingNotes ...
GNU nop AutoGen Conversion Starting with 4.2.4 we are using AutoGen to provide consistent options processing, easier enum/flag/descriptor maintenance, and eventually ...
Unit Testing Yan Student: .YanZhang Mentors: .AmarTakhar GSoC: Project Page Summary This task will be focus on the ntpd codes that are actually working ...
Virtual Build Box Related Topics: AutomatedBuildFramework, Vm1DeploymentPlan Goals A "library" of startable VMs, in a number of versions of a number of different ...
ntp/scripts/ Cleanup Student: .OliverKindernay Mentors: .HarlanStenn, .RahulKumar GSoC: Project Page Summary The goal is to improve general code structure ...
Logging and Debugging (GSoC 2012) Student: .RajulSrivastava Mentors: .HarlanStenn, .DaveHart GSoC: Project Page Summary Related Items: GSoC2009LogDebug ...
Clock Startup Analysis Aaron Student: .AaronChen Mentors: .HarlanStenn, .MartinBurnicki GSoC: Project Page Summary Related Items: Tasks ...
Windows Porting Issues NTP can be built under the following versions of Windows (please update as needed): Windows XP Windows 7 using the following toolchains ...
There are few issues with current logging and debugging system we have for ntp . There are two main files we redirect our output to namely main syslog and ntp log ...
Automated Build Framework Related Topics: VirtualBuildBox, Vm1DeploymentPlan Background The NTP software has proven to be remarkably portable, running on a huge ...
Per File Copyright and LIcense Notice Related Items: Options If we decide to go to a per file notice we have choices: A Copyright Notice A License ...
Design By Contract and NTP I've started to add 'design by contract' assertions into certain areas of the codebase. The primary reason for this is to make the code ...
The new ntp.conf file format Please add your comments following the appropriate point of discussion following the existing format (e.g. add your signature at the end ...
Unit Testing (GSoC 2012) Student: .AdrianSpiridon Mentors: .AmarTakhar, .RahulKumar GSoC: Project Page Summary The goal of this project is to continue ...
Clock Models (GSoC 2012) Student: .ThiagodeFreitas Mentors: .JudahLevine, .HarlanStenn GSoC: Project Page Summary The goal of this project is to analyze ...
Loadable Refclock Drivers ntpd has traditionally used statically linked reference clock drivers. While this means that the executable is more tamper proof, it also ...
Unit Testing (GSoC 2011) Student: .LinusKarlsson Mentors: .AmarTakhar, .HarlanStenn GSoC: Project Page Summary The goal of this project is to continue ...
Unit Test Framework Related Topics: UnitTestingNotes #RequiredTools Required Tools To make use of the test framework you will need: Google Test Version ...
Clock Models (Boris) (GSoC 2011) Student: .BorisSieklik Mentors: .JudahLevine, .HarlanStenn GSoC: Project Page Summary The goal of this project is ...
Clock Models (Thiago) (GSoC 2011) Student: .ThiagodeFreitas Mentors: .JudahLevine, .HarlanStenn GSoC: Project Page Summary The goal of this project ...
Internationalization and Localization (GSoC 2011) Student: .EricFeng Mentors: .BruceKorb, .HarlanStenn GSoC: Project Page Summary The goal of this ...
Handling Security Issues Reporting Security Issues We ask people to report security issues regarding the ntp codebase to security #64;ntp.org . Exactly what is a ...
Clock Algorithms Interested in the clock algorithms used by NTP? Please check out Network Time Synchronization, The Network Time Protocol on Earth and in Space (2nd ...
Source Code Management Related Topics: WhyBitKeeper History The NTP Project used no source code management for many years. Eventually, we started using CVS ...
SNTP Issues Related Topics: deprecating ntpdate , SNTP Bug list New SNTP At some point we will probably want to split some of this into a separate topic or ...
External Libraries and NTP 64 bit usable time t https://github.com/schwern/y2038 Event Handling https://software.schmorp.de/pkg/libev https://monkey ...
NTP and IEEE 1588 https://www.latticesemi.com/products/intellectualproperty/oreganocores/ieee1588syn1588clock scor.cfm https://www.intel.com/design/network/papers ...
SSH Configuration Notes Ahoy, intrepid SSH users. Here are a few useful things that you may like when trying to configure your copy of nop OpenSSH. ssh config files ...
Unit Testing (GSoC 2010) Student: .LinusKarlsson Mentors: .AmarTakhar, .HarlanStenn GSoC: Project Page Summary The goal of this project is to cover ...
Google Code In Related Topics: GoogleSummerOfCode https://code.google.com/gci GoogleCodeInProjects
KapilaBogahapitiya 28 Jun 2009 Examples texi2mdoc Writing Definition File Here you will be explained about stanzas that may use to get texinfo output through autogen ...
NTP Documentation via GNU AutoGen (GSoC 2010) Student: .KapilaBogahapitiya Mentors: .BruceKorb, .HarlanStenn GSoC: Project Page Summary Related Items ...
KapilaBogahapitiya 28 Jun 2009 Ntp Autogen Usage {GSOC2010} Overview This page gives in depth instruction on how to write manual page using autogen. Using autogen ...
Logging and Debugging API Overhaul (GSoC 2010) Student: .SunilTej Mentors: .DaveHart, .HarlanStenn GSoC: Project Page Summary Redesigning NTP's logging ...
Logging and Debugging API Overhaul (GSoC 2009) Student: .JohannesMaximilianKuehn Mentors: .HarlanStenn GSoC: Project Page Discussion on config ...
NTP Documentation via GNU AutoGen (GSoC 2009) Student: .KapilaBogahapitiya Mentors: .HarlanStenn, .BruceKorb GSoC: Project Page Summary Related Items ...
Testing Lab Infrastructure Equipment The original "gold standard" for doing high precision measuring of events was to use an 5370B, which could measure events to ...
High Throughput Low Jitter Stratum 1 NTP Server (GSoC 2009) Student: .AnthonyBlake Mentors: .JudahLevine, .HarlanStenn GSoC: Project Page Summary Highly ...
Automated Build Framework (GSoC 2009) Student: .VitorBaptista Mentors: .DaveHart, .HarlanStenn GSoC: Project Page Related topics: AutomatedBuildFramework ...
GNU AutoGen AutoGen is a tool designed to simplify the creation and maintenance of programs that contain large amounts of repetitious text. It is especially valuable ...
Documentation Pre Processor (Google Summer Of Code 2008) Proposal We are using from GNU AutoGen to handle the command line options processing of the NTP programs ...
Here's how the Apache Project discusses release signing: https://httpd.apache.org/download.cgi#mod ftp https://httpd.apache.org/dev/verification.html ...
SNTP (Google Summer Of Code, 2008) GSoC is over and SNTP is on its way. We are currently working on cleaning up the code and to test and fix bugs. If you can think ...
SNMP Client Handler Write an SNMP client in (any acceptable programming/scripting language). The program will use mode 6 requests ( ntpq calls) to get the requested ...
Bugzilla Blocking Release Flags We use in https://bugs.ntp.org our bugzilla to assist in the Release process. Anybody may request that a bug block a release. ...
GSoC 2008 Documentation Project Status Reports Related Topics: GSoC2008doc June 06 Using Mdoc to create manual pages for NTP Project We are using currently ...
Milestone #01: Define MIB Sections to be supported The MIB RFC draft contains a large number of data objects grouped into five sections (plus notification and compliance ...
Release Engineering Issues "What's New" list for the announcements I'd like to see us have a decent solution to this issue for the 4.3.0 release. "What's New" for ...
Proposed Blurb for the ISC Home Page NTP (Network Time Protocol) is an implementation of the NTP related RFCs (and proposed RFCs) and provides an openly redistributable ...
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