SR and SC Series NTP Time Servers Firmware Updates
The latest firmware updates for the SR and SC Series NTP Time Servers can be downloaded using the links below. The zipped files contains a tar archive for uploading to the SR/SC series device along...
View ArticleTime Synchronisation For Computer Networks
TimeTools provides a wide range of PC time synchronisation devices based on radio and GPS atomic clock technology that can ensure reliable accurate time on Microsoft Windows 7, 2008 R2, XP, VMware or...
View ArticleAtomic Clock Time Synchronisation
This article discusses a number of aspects associated with Atomic Clock time references and specifically their use in computer systems and network time synchronisation. Topics covered: What is an...
View ArticleLINUX NTP Servers
A Linux NTP Server provides an accurate time resource for the synchronisation of a network of computers and other network infrastructure. A stratum 1 server obtains accurate time from a hardware clock...
View ArticleLeap Seconds and the Network Time Protocol
The international standard of time is Coordinated Universal Time (UTC), which is used in countries around the world almost exclusively as the basis of civil time. UTC is derived from atomic clocks...
View ArticleUsing the GPS System For Accurate Time
GPS is a satellite based Global Positioning System used to provide navigation and precise positioning information to users on the Earth. The system was developed and is operated by the US military...
View ArticleNTP Reflection Distributed Denial of Service (DDoS) Attacks
Symantec, the computer security solutions company, has reported a large number of NTP reflection distributed denial of service (DDoS) attacks over the December 2013 Christmas period. What is a NTP...
View ArticleStratum 1 GPS-Referenced NTP Time Servers
GPS is generally associated with navigation. Less well known is the fact that it can also provide a very accurate source of time. Much of the internet is synchronized by GPS based time servers using...
View ArticleAdding External NTP Server Reference Clocks
SR and SC Series NTP Servers Help and Support: Adding External NTP Server Reference Clocks Models that this article applies to: SR Series: SR9210, SR9750, SR9850, SR9860D SC Series: SC9205, SC9705 The...
View ArticleSecurity Update: NTP Vulnerabilities – 5 January 2015
The NTP project (ntp.org) recently reported that current versions of the NTP distribution contain a number of security related issues. It reports that all NTP 4.x.x versions are affected. The...
View ArticleNTP Servers: The Network Time Protocol
Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks. Operational since 1985, NTP is among the...
View ArticleInternet NTP Server
Computers are usually exceptionally poor timekeepers. They depend on lower priced timing components which are often used in general purpose clocks and watches and are just as vulnerable to server time...
View ArticleSecure NTP Server
The Network Time Protocol (NTP) is an Internet protocol built to distribute precise time around a computer network. NTP makes use of UDP over TCP/IP to synchronize network time clients to a precise...
View ArticleInova OnTime NTP PoE IP Wall Clocks
TimeTools is an official reseller of the Inova OnTime range of analog and digital wall clocks and time displays. We can supply Inova’s full range of wall clocks to organisations world-wide....
View ArticleNTP Hardware Reference Clocks: GPS, Multi-GNSS or Radio ?
There are a number of sources of accurate time available to timing applications. They divide into satellite navigation systems and national time and frequency radio broadcasts. TimeTools T-Series NTP...
View ArticleInstalling a T-Series GPS\GNSS NTP Server
Locating the Appliance TimeTools T-Series NTP server appliances should only be installed indoors. Locate the device in a rack, on a shelf, or in a cupboard. It should not be supported by the attached...
View ArticleNTP Network Time Server FAQ
Why Do I Need A Network Time Server? Computers have notoriously inaccurate clocks. They often use cheap, inferior, crystals and clock components. After a relatively short period of time, the clocks of...
View ArticleT550 Enterprise Class NTP Server
TimeTools T550 Stratum 1 GPS / GNSS Enterprise Class NTP Server / Network Time Server is ideal for synchronizing large corporate networks. The device features dual Ethernet ports and can serve in...
View ArticleStratum 1 NTP Servers – Sweden (Sverige)
There are a number of internet NTP servers available to use for network time synchronization in Sweden. Many of which have an open access policy. Probably the most popular references are the Swedish...
View ArticleSimple Steps to Improve NTP Server Security
There are a number of simple steps that can be carried out to improve the security of a NTP server. 1. Change Default Password The NTP appliance is provided with a default password. This should be...
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