Computers Internet Protocols NTP

22 sites in NTP

Flawed Routers Flood University of Wisconsin Internet Time Server Save
Report by Dave Plonka on the massive problems caused on the University of Wisconsin network and time servers, due to misconfiguration of NetGear equipment
http://www.cs.wisc.edu/~plonka/netgea...

Geodsoft How-To: NTP Time Synchronization Save
A tutorial on installing NTP servers on UNIX (OpenBSD and Linux) and Windows to accurately synchronize computer times.
http://geodsoft.com/howto/timesync/

Home of the Network Time Protocol Save
NTP official reference implementation (for Unix and Unix-like OSes, with ports to Microsoft Windows NT, VMS, real-time OSes like VxWorks and QNX). Also jumping-off point to the official NTP documentation and FAQ, community documentation tools (twiki), pool.ntp.org, and related projects.
http://www.ntp.org/

LinuxDevCenter.com: Synchronizing Networks with NTP Save
Accurate timekeeping is vital to accurate records, and accurate logs are the mainstay of good system administration. Glenn Graham explains NTP (the Network Time Protocol) and how to put it to work on your network.
http://www.linuxdevcenter.com/pub/a/l...

NTP Servers Web Save
Community maintained list of public Stratum 1 and Stratum 2 NTP time servers, including policies and requirements for use, contact information. Maintained via the NTP TWiki, by the admins of the respective sites themselves.
http://ntp.isc.org/bin/view/Servers/W...

NTP Statistics Gathering and Reporting with MRTG Save
David Taylor's short description of how he uses MRTG (and SNMP) to gather and report statistics for NTP for his servers, including Perl scripts, shell scripts, and mrtg.conf examples
http://www.david-taylor.myby.co.uk/nt...

NTP Support Web Save
Not the official NTP documentation or the official NTP FAQ. Intended to be the collection point for cookbook configurations, tips, hints, tricks, and other comments from directly from various members of the NTP community that might be beneficial to others within the community. Anyone who is interested in helping to develop or improve documentation for NTP is encouraged to join and contribute.
http://ntp.isc.org/bin/view/Support/W...

Network Time Protocol at the University of Michigan Save
A discussion of why and how to set up NTP software. Some information is specific to the University, some is more general.
http://www.umich.edu/~rsug/services/n...

Network Time Synchronization Project Save
NTP Project page for Dr. Mills, primary NTP researcher for over twenty years. He and his students are working on NTP version 4 to improve robustness and security.
http://www.eecis.udel.edu/~mills/ntp....

O'Reilly Cisco Cookbook Save
This book gathers hundreds of example router configurations all in one place. In chapter 14, the authors provide information on configuring, running, and debugging NTP on your Cisco router. This link via O'Reilly's Safari network for online publications.
http://safari.oreilly.com/0596003676

O'Reilly Hardening Cisco Routers Save
Sample chapter from the book, showing the cisco-specific methods of configuring your routers to support using NTP time synchronization.
http://www.oreilly.com/catalog/hardci...

RFC1305 - Network Time Protocol (Version 3) Save
The current NTP standard. Available here in HTML, PDF, and Postscript formats.
http://tools.ietf.org/html/rfc1305

RFC2030 - Simple Network Time Protocol Version 4 Save
The current standard for SNTP, a version of the protocol for implementations which do not need all of the features of NTP. Available here in HTML, PDF, and Postscript formats.
http://tools.ietf.org/html/rfc2030

The NTP FAQ and HOWTO Save
Understanding and using the Network Time Protocol (A first try on a non-technical Mini-HOWTO and FAQ on NTP)
http://www.ntp.org/ntpfaq/NTP-a-faq.htm

Vendor: Sun Blueprints Online: Using NTP on the Sun Fire 15K/12K Server Save
This article addresses the time skew issues for the Sun Fire 12K/F15K server and explains how the system controllers and domains can be configured as NTP clients to external servers. A sample configuration is also provided. This article is targeted to the intermediate level of expertise.
http://www.sun.com/blueprints/0603/81...

Vendor: Sun Blueprints Online: Using NTP to Control and Synchronize System Clocks - Part I: Introduction to NTP Save
This article is the first of a series on the Network Time Protocol (NTP). NTP allows synchronizing clocks on different network nodes, which is critical in today's networked world. This first article provides an overview of why time synchronization is important and introduces basic NTP concepts.
http://www.sun.com/blueprints/0701/NT...

Vendor: Sun Blueprints Online: Using NTP to Control and Synchronize System Clocks - Part II: Basic NTP Administration and Architecture Save
This is Part 2 of a three-article series that discusses how to use Network Time Protocol (NTP) to synchronize system clocks. This article explains the basics of client and server administration, covering various client/server configurations, as well as authentication and access control mechanisms. This article also provides a number of suggestions for an effective NTP architecture.
http://www.sun.com/blueprints/0801/NT...

Vendor: Sun Blueprints Online: Using NTP to Control and Synchronize System Clocks - Part III: NTP Monitoring and Troubleshooting Save
This article is the third in a series of three articles that discuss using Network Time Protocol (NTP) to synchronize system clocks. The goal of this article is to provide an effective understanding of NTP troubleshooting and monitoring.
http://www.sun.com/blueprints/0901/NT...

Vendor: endruntechnologies.com: Introduction to NTP Save
Four page document that gives a very simple high-level overview of how NTP works and some of the issues to be considered when looking to set up NTP time servers. This company is a vendor of NTP time servers and related hardware.
http://www.endruntechnologies.com/pdf...

Vendor: sco.com: Configuring Network Time Protocol (NTP) service Save
A detailed information page about the guidelines for implementing NTP on Caldera (SCO) Linux
http://docsrv.sco.com/NET_tcpip/CTOC-...

Vendor: suse.com: Time Synchronization Through the Network Save
This page helps with configuration of NTP software in the S.u.S.E. Linux distribution.
http://portal.suse.com/sdb/en/2002/02...

pool.ntp.org: The Internet Time Network Save
Information on a collection of public NTP servers provided by users and ISP's placed in a DNS round-robin under pool.ntp.org.
http://www.pool.ntp.org/

Forum - Usenet comp.protocols.time.ntp